Java 27 and 26: runnable demos and captured output for every JEP, plus version lanes
This commit is contained in:
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# JEP 523: which collector does the JVM pick when you do not choose one?
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# Same class files, same vendor (Amazon Corretto), same 2 GB memory limit. Only the JDK version and the CPU limit change.
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=== amazoncorretto:26 --cpus=1 --memory=2g
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$ docker run --rm --cpus=1 --memory=2g amazoncorretto:26 java -cp /app GcReport
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java.version = 26.0.2.1
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availableCpus = 1
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maxHeapMB = 511
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collector beans = Copy, MarkSweepCompact
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UseG1GC = false (origin DEFAULT)
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UseSerialGC = true (origin ERGONOMIC)
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UseParallelGC = false (origin DEFAULT)
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=== amazoncorretto:27 --cpus=1 --memory=2g
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$ docker run --rm --cpus=1 --memory=2g amazoncorretto:27 java -cp /app GcReport
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java.version = 27
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availableCpus = 1
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maxHeapMB = 512
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collector beans = G1 Young Generation, G1 Concurrent GC, G1 Old Generation
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UseG1GC = true (origin ERGONOMIC)
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UseSerialGC = false (origin DEFAULT)
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UseParallelGC = false (origin DEFAULT)
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=== amazoncorretto:26 --cpus=2 --memory=2g
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$ docker run --rm --cpus=2 --memory=2g amazoncorretto:26 java -cp /app GcReport
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java.version = 26.0.2.1
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availableCpus = 2
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maxHeapMB = 512
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collector beans = G1 Young Generation, G1 Concurrent GC, G1 Old Generation
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UseG1GC = true (origin ERGONOMIC)
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UseSerialGC = false (origin DEFAULT)
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UseParallelGC = false (origin DEFAULT)
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=== amazoncorretto:27 --cpus=2 --memory=2g
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$ docker run --rm --cpus=2 --memory=2g amazoncorretto:27 java -cp /app GcReport
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java.version = 27
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availableCpus = 2
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maxHeapMB = 512
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collector beans = G1 Young Generation, G1 Concurrent GC, G1 Old Generation
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UseG1GC = true (origin ERGONOMIC)
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UseSerialGC = false (origin DEFAULT)
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UseParallelGC = false (origin DEFAULT)
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@@ -0,0 +1,43 @@
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# The other half of the old rule: memory. The old heuristic wanted at least 2 CPUs AND about 1792 MB.
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# With 2 CPUs the CPU half of the rule is satisfied, so only the memory limit differs between these runs.
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=== amazoncorretto:26 --cpus=2 --memory=1g
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$ docker run --rm --cpus=2 --memory=1g amazoncorretto:26 java -cp /app GcReport
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java.version = 26.0.2.1
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availableCpus = 2
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maxHeapMB = 255
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collector beans = Copy, MarkSweepCompact
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UseG1GC = false (origin DEFAULT)
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UseSerialGC = true (origin ERGONOMIC)
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UseParallelGC = false (origin DEFAULT)
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=== amazoncorretto:27 --cpus=2 --memory=1g
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$ docker run --rm --cpus=2 --memory=1g amazoncorretto:27 java -cp /app GcReport
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java.version = 27
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availableCpus = 2
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maxHeapMB = 256
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collector beans = G1 Young Generation, G1 Concurrent GC, G1 Old Generation
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UseG1GC = true (origin ERGONOMIC)
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UseSerialGC = false (origin DEFAULT)
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UseParallelGC = false (origin DEFAULT)
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=== amazoncorretto:26 --cpus=2 --memory=2g
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$ docker run --rm --cpus=2 --memory=2g amazoncorretto:26 java -cp /app GcReport
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java.version = 26.0.2.1
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availableCpus = 2
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maxHeapMB = 512
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collector beans = G1 Young Generation, G1 Concurrent GC, G1 Old Generation
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UseG1GC = true (origin ERGONOMIC)
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UseSerialGC = false (origin DEFAULT)
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UseParallelGC = false (origin DEFAULT)
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=== amazoncorretto:27 --cpus=2 --memory=2g
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$ docker run --rm --cpus=2 --memory=2g amazoncorretto:27 java -cp /app GcReport
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java.version = 27
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availableCpus = 2
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maxHeapMB = 512
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collector beans = G1 Young Generation, G1 Concurrent GC, G1 Old Generation
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UseG1GC = true (origin ERGONOMIC)
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UseSerialGC = false (origin DEFAULT)
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UseParallelGC = false (origin DEFAULT)
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@@ -0,0 +1,11 @@
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# The opt-out still works on 27: an explicit choice always wins over the JVM's.
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=== amazoncorretto:27 --cpus=1 --memory=2g -XX:+UseSerialGC
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$ docker run --rm --cpus=1 --memory=2g amazoncorretto:27 java -XX:+UseSerialGC -cp /app GcReport
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java.version = 27
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availableCpus = 1
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maxHeapMB = 511
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collector beans = Copy, MarkSweepCompact
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UseG1GC = false (origin DEFAULT)
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UseSerialGC = true (origin VM_CREATION)
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UseParallelGC = false (origin DEFAULT)
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@@ -0,0 +1,51 @@
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# Allocation workload, 1 CPU / 2 GB container, 4000 batches x 50,000 objects, 3 runs per configuration (indicative, not a benchmark)
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# 'default' means nobody passed a collector flag.
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=== amazoncorretto:26 default run 1
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wall time = 5980 ms
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gc count / time = 1275 / 1831 ms
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slowest batch = 115 ms
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peak RSS = 557 MB
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=== amazoncorretto:26 default run 2
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wall time = 6145 ms
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gc count / time = 1275 / 1872 ms
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slowest batch = 142 ms
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peak RSS = 557 MB
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=== amazoncorretto:26 default run 3
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wall time = 6402 ms
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gc count / time = 1275 / 1861 ms
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slowest batch = 129 ms
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peak RSS = 557 MB
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=== amazoncorretto:27 default run 1
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wall time = 8196 ms
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gc count / time = 140 / 1955 ms
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slowest batch = 39 ms
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peak RSS = 547 MB
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=== amazoncorretto:27 default run 2
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wall time = 8214 ms
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gc count / time = 140 / 1970 ms
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slowest batch = 41 ms
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peak RSS = 547 MB
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=== amazoncorretto:27 default run 3
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wall time = 8432 ms
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gc count / time = 140 / 2004 ms
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slowest batch = 35 ms
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peak RSS = 546 MB
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=== amazoncorretto:27 -XX:+UseSerialGC run 1
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wall time = 5306 ms
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gc count / time = 1264 / 1669 ms
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slowest batch = 125 ms
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peak RSS = 557 MB
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=== amazoncorretto:27 -XX:+UseSerialGC run 2
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wall time = 4972 ms
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gc count / time = 1264 / 1599 ms
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slowest batch = 119 ms
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peak RSS = 557 MB
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=== amazoncorretto:27 -XX:+UseSerialGC run 3
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wall time = 5698 ms
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gc count / time = 1264 / 1713 ms
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slowest batch = 128 ms
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peak RSS = 557 MB
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@@ -0,0 +1,51 @@
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# Allocation workload, 1 CPU / 2 GB container, 400 batches x 50,000 objects, 3 runs per configuration (indicative, not a benchmark)
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# 'default' means nobody passed a collector flag.
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=== amazoncorretto:26 default run 1
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wall time = 531 ms
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gc count / time = 683 / 160 ms
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slowest batch = 25 ms
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peak RSS = 102 MB
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=== amazoncorretto:26 default run 2
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wall time = 536 ms
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gc count / time = 683 / 165 ms
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slowest batch = 22 ms
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peak RSS = 103 MB
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=== amazoncorretto:26 default run 3
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wall time = 564 ms
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gc count / time = 683 / 161 ms
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slowest batch = 36 ms
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peak RSS = 102 MB
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=== amazoncorretto:27 default run 1
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wall time = 1052 ms
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gc count / time = 26 / 204 ms
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slowest batch = 26 ms
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peak RSS = 492 MB
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=== amazoncorretto:27 default run 2
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wall time = 974 ms
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gc count / time = 26 / 192 ms
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slowest batch = 25 ms
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peak RSS = 492 MB
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=== amazoncorretto:27 default run 3
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wall time = 1041 ms
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gc count / time = 26 / 234 ms
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slowest batch = 36 ms
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peak RSS = 492 MB
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=== amazoncorretto:27 -XX:+UseSerialGC run 1
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wall time = 528 ms
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gc count / time = 668 / 147 ms
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slowest batch = 23 ms
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peak RSS = 98 MB
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=== amazoncorretto:27 -XX:+UseSerialGC run 2
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wall time = 522 ms
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gc count / time = 668 / 157 ms
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slowest batch = 27 ms
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peak RSS = 98 MB
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=== amazoncorretto:27 -XX:+UseSerialGC run 3
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wall time = 588 ms
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gc count / time = 668 / 157 ms
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slowest batch = 48 ms
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peak RSS = 97 MB
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@@ -0,0 +1,41 @@
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# JDK 27, G1 (the default), 1 CPU / 2 GB container, 400 batches, 2 runs per configuration
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=== flags that differ between 26 and 27 (from -XX:+PrintFlagsFinal)
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--- amazoncorretto:26
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uint ConcGCThreads = 0 {product} {default}
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uintx MaxHeapFreeRatio = 70 {manageable} {default}
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size_t MaxHeapSize = 536870912 {product} {ergonomic}
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uintx MinHeapFreeRatio = 40 {manageable} {default}
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uint ParallelGCThreads = 0 {product} {default}
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bool UseCompactObjectHeaders = false {product lp64_product} {default}
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bool UseCompressedClassPointers = true {product} {default}
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--- amazoncorretto:27
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uint ConcGCThreads = 1 {product} {ergonomic}
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uint G1IHOP = 45 {product} {default}
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uintx MaxHeapFreeRatio = 100 {manageable} {default}
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size_t MaxHeapSize = 536870912 {product} {ergonomic}
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uintx MinHeapFreeRatio = 0 {manageable} {default}
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uint ParallelGCThreads = 1 {product} {default}
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bool UseCompactObjectHeaders = true {product lp64_product} {default}
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=== amazoncorretto:27 flags: [none]
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wall time = 1064 ms
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gc count / time = 26 / 208 ms
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peak RSS = 492 MB
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wall time = 1078 ms
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gc count / time = 26 / 202 ms
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peak RSS = 493 MB
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=== amazoncorretto:27 flags: [-XX:MinHeapFreeRatio=40 -XX:MaxHeapFreeRatio=70]
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wall time = 1115 ms
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gc count / time = 26 / 268 ms
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peak RSS = 492 MB
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wall time = 982 ms
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gc count / time = 26 / 199 ms
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peak RSS = 492 MB
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=== amazoncorretto:27 flags: [-Xmx256m]
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wall time = 976 ms
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gc count / time = 37 / 240 ms
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peak RSS = 294 MB
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wall time = 957 ms
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gc count / time = 37 / 261 ms
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peak RSS = 294 MB
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@@ -0,0 +1,82 @@
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java.version = 26.0.2.1
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# VM mode: 64 bits
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# Compressed references (oops): 0-bit shift
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# Compressed class pointers: 0-bit shift and 0x3E000000 base
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# Object alignment: 8 bytes
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# ref, bool, byte, char, shrt, int, flt, lng, dbl
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# Field sizes: 4, 1, 1, 2, 2, 4, 4, 8, 8
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# Array element sizes: 4, 1, 1, 2, 2, 4, 4, 8, 8
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# Array base offsets: 16, 16, 16, 16, 16, 16, 16, 16, 16
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=== java.lang.Object
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java.lang.Object object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) N/A
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8 4 (object header: class) N/A
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12 4 (object alignment gap)
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Instance size: 16 bytes
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Space losses: 0 bytes internal + 4 bytes external = 4 bytes total
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=== Point { int x; int y; }
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HeaderDemo$Point object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) N/A
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8 4 (object header: class) N/A
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12 4 int Point.x N/A
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16 4 int Point.y N/A
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20 4 (object alignment gap)
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Instance size: 24 bytes
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Space losses: 0 bytes internal + 4 bytes external = 4 bytes total
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=== Order { long id; int quantity; boolean paid; String customer; }
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HeaderDemo$Order object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) N/A
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8 4 (object header: class) N/A
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12 4 int Order.quantity N/A
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16 8 long Order.id N/A
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24 1 boolean Order.paid N/A
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25 3 (alignment/padding gap)
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28 4 java.lang.String Order.customer N/A
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Instance size: 32 bytes
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Space losses: 3 bytes internal + 0 bytes external = 3 bytes total
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=== java.lang.Long and java.lang.Integer (boxed values)
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java.lang.Long object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) 0x0000000000000001 (non-biasable; age: 0)
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8 4 (object header: class) 0x001a15d0
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12 4 (alignment/padding gap)
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16 8 long Long.value 123456789
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Instance size: 24 bytes
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Space losses: 4 bytes internal + 0 bytes external = 4 bytes total
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java.lang.Integer object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) 0x0000000000000001 (non-biasable; age: 0)
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8 4 (object header: class) 0x0019f570
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12 4 int Integer.value 123456
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Instance size: 16 bytes
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Space losses: 0 bytes internal + 0 bytes external = 0 bytes total
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=== int[3]
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[I object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) 0x0000000000000001 (non-biasable; age: 0)
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8 4 (object header: class) 0x00174360
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12 4 (array length) 3
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16 12 int [I.<elements> N/A
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28 4 (object alignment gap)
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Instance size: 32 bytes
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Space losses: 0 bytes internal + 4 bytes external = 4 bytes total
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=== What it adds up to: one million objects
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1,000,000 boxed Integer values in an ArrayList : 20,861,992 bytes
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1,000,000 boxed Long values in an ArrayList : 28,861,992 bytes
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1,000,000 Point objects in an ArrayList : 28,861,992 bytes
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@@ -0,0 +1,79 @@
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java.version = 27
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# WARNING: Unable to attach Serviceability Agent. sun.jvm.hotspot.runtime.VM.isCompressedKlassPointersEnabled()
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# VM mode: 64 bits
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# Lilliput VM detected (experimental)
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# Compressed references (oops): 3-bit shift
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# Compressed class pointers: 3-bit shift
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# WARNING | Compressed references base/shifts are guessed by the experiment!
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# WARNING | Therefore, computed addresses are just guesses, and ARE NOT RELIABLE.
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# WARNING | Make sure to attach Serviceability Agent to get the reliable addresses.
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# Object alignment: 8 bytes
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# ref, bool, byte, char, shrt, int, flt, lng, dbl
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# Field sizes: 4, 1, 1, 2, 2, 4, 4, 8, 8
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# Array element sizes: 4, 1, 1, 2, 2, 4, 4, 8, 8
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# Array base offsets: 12, 12, 12, 12, 12, 12, 12, 16, 16
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=== java.lang.Object
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java.lang.Object object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) N/A
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Instance size: 8 bytes
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Space losses: 0 bytes internal + 0 bytes external = 0 bytes total
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=== Point { int x; int y; }
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HeaderDemo$Point object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) N/A
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8 4 int Point.x N/A
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12 4 int Point.y N/A
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Instance size: 16 bytes
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Space losses: 0 bytes internal + 0 bytes external = 0 bytes total
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=== Order { long id; int quantity; boolean paid; String customer; }
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HeaderDemo$Order object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) N/A
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8 8 long Order.id N/A
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16 4 int Order.quantity N/A
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20 1 boolean Order.paid N/A
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21 3 (alignment/padding gap)
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24 4 java.lang.String Order.customer N/A
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28 4 (object alignment gap)
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Instance size: 32 bytes
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Space losses: 3 bytes internal + 4 bytes external = 7 bytes total
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||||
|
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=== java.lang.Long and java.lang.Integer (boxed values)
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java.lang.Long object internals:
|
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OFF SZ TYPE DESCRIPTION VALUE
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0 8 (object header: mark) 0x001aa80000000001 (Lilliput)
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8 8 long Long.value 123456789
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Instance size: 16 bytes
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||||
Space losses: 0 bytes internal + 0 bytes external = 0 bytes total
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||||
|
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java.lang.Integer object internals:
|
||||
OFF SZ TYPE DESCRIPTION VALUE
|
||||
0 8 (object header: mark) 0x001a840000000001 (Lilliput)
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||||
8 4 int Integer.value 123456
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||||
12 4 (object alignment gap)
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Instance size: 16 bytes
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Space losses: 0 bytes internal + 4 bytes external = 4 bytes total
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=== int[3]
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[I object internals:
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OFF SZ TYPE DESCRIPTION VALUE
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||||
0 8 (object header: mark) 0x0017840000000001 (Lilliput)
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||||
8 4 (array length) 3
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||||
12 12 int [I.<elements> N/A
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Instance size: 24 bytes
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Space losses: 0 bytes internal + 0 bytes external = 0 bytes total
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|
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=== What it adds up to: one million objects
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1,000,000 boxed Integer values in an ArrayList : 20,861,984 bytes
|
||||
1,000,000 boxed Long values in an ArrayList : 20,861,984 bytes
|
||||
1,000,000 Point objects in an ArrayList : 20,861,984 bytes
|
||||
@@ -0,0 +1,86 @@
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java.version = 27
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# WARNING: Unable to attach Serviceability Agent. sun.jvm.hotspot.runtime.VM.isCompressedKlassPointersEnabled()
|
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# VM mode: 64 bits
|
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# Compressed references (oops): 3-bit shift
|
||||
# Compressed class pointers: 3-bit shift
|
||||
# WARNING | Compressed references base/shifts are guessed by the experiment!
|
||||
# WARNING | Therefore, computed addresses are just guesses, and ARE NOT RELIABLE.
|
||||
# WARNING | Make sure to attach Serviceability Agent to get the reliable addresses.
|
||||
# Object alignment: 8 bytes
|
||||
# ref, bool, byte, char, shrt, int, flt, lng, dbl
|
||||
# Field sizes: 4, 1, 1, 2, 2, 4, 4, 8, 8
|
||||
# Array element sizes: 4, 1, 1, 2, 2, 4, 4, 8, 8
|
||||
# Array base offsets: 16, 16, 16, 16, 16, 16, 16, 16, 16
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||||
|
||||
|
||||
=== java.lang.Object
|
||||
java.lang.Object object internals:
|
||||
OFF SZ TYPE DESCRIPTION VALUE
|
||||
0 8 (object header: mark) N/A
|
||||
8 4 (object header: class) N/A
|
||||
12 4 (object alignment gap)
|
||||
Instance size: 16 bytes
|
||||
Space losses: 0 bytes internal + 4 bytes external = 4 bytes total
|
||||
|
||||
|
||||
=== Point { int x; int y; }
|
||||
HeaderDemo$Point object internals:
|
||||
OFF SZ TYPE DESCRIPTION VALUE
|
||||
0 8 (object header: mark) N/A
|
||||
8 4 (object header: class) N/A
|
||||
12 4 int Point.x N/A
|
||||
16 4 int Point.y N/A
|
||||
20 4 (object alignment gap)
|
||||
Instance size: 24 bytes
|
||||
Space losses: 0 bytes internal + 4 bytes external = 4 bytes total
|
||||
|
||||
|
||||
=== Order { long id; int quantity; boolean paid; String customer; }
|
||||
HeaderDemo$Order object internals:
|
||||
OFF SZ TYPE DESCRIPTION VALUE
|
||||
0 8 (object header: mark) N/A
|
||||
8 4 (object header: class) N/A
|
||||
12 4 int Order.quantity N/A
|
||||
16 8 long Order.id N/A
|
||||
24 1 boolean Order.paid N/A
|
||||
25 3 (alignment/padding gap)
|
||||
28 4 java.lang.String Order.customer N/A
|
||||
Instance size: 32 bytes
|
||||
Space losses: 3 bytes internal + 0 bytes external = 3 bytes total
|
||||
|
||||
|
||||
=== java.lang.Long and java.lang.Integer (boxed values)
|
||||
java.lang.Long object internals:
|
||||
OFF SZ TYPE DESCRIPTION VALUE
|
||||
0 8 (object header: mark) 0x0000000000000009 (non-biasable; age: 1)
|
||||
8 4 (object header: class) 0x001aa208
|
||||
12 4 (alignment/padding gap)
|
||||
16 8 long Long.value 123456789
|
||||
Instance size: 24 bytes
|
||||
Space losses: 4 bytes internal + 0 bytes external = 4 bytes total
|
||||
|
||||
java.lang.Integer object internals:
|
||||
OFF SZ TYPE DESCRIPTION VALUE
|
||||
0 8 (object header: mark) 0x0000000000000001 (non-biasable; age: 0)
|
||||
8 4 (object header: class) 0x001a7db8
|
||||
12 4 int Integer.value 123456
|
||||
Instance size: 16 bytes
|
||||
Space losses: 0 bytes internal + 0 bytes external = 0 bytes total
|
||||
|
||||
|
||||
=== int[3]
|
||||
[I object internals:
|
||||
OFF SZ TYPE DESCRIPTION VALUE
|
||||
0 8 (object header: mark) 0x0000000000000001 (non-biasable; age: 0)
|
||||
8 4 (object header: class) 0x00176c00
|
||||
12 4 (array length) 3
|
||||
16 12 int [I.<elements> N/A
|
||||
28 4 (object alignment gap)
|
||||
Instance size: 32 bytes
|
||||
Space losses: 0 bytes internal + 4 bytes external = 4 bytes total
|
||||
|
||||
|
||||
=== What it adds up to: one million objects
|
||||
1,000,000 boxed Integer values in an ArrayList : 20,861,992 bytes
|
||||
1,000,000 boxed Long values in an ArrayList : 28,861,992 bytes
|
||||
1,000,000 Point objects in an ArrayList : 28,861,992 bytes
|
||||
@@ -0,0 +1,11 @@
|
||||
# WARNING: Unable to attach Serviceability Agent. sun.jvm.hotspot.runtime.VM.isCompressedKlassPointersEnabled()
|
||||
Exception in thread "main" java.lang.RuntimeException: Cannot get the field offset, try with -Djol.magicFieldOffset=true
|
||||
at org.openjdk.jol.vm.HotspotUnsafe.fieldOffset(HotspotUnsafe.java:533)
|
||||
at org.openjdk.jol.layouters.CurrentLayouter.layout(CurrentLayouter.java:70)
|
||||
at org.openjdk.jol.info.ClassLayout.parseClass(ClassLayout.java:72)
|
||||
at org.openjdk.jol.info.ClassLayout.parseClass(ClassLayout.java:56)
|
||||
at RecordProbe.main(RecordProbe.java:12)
|
||||
Caused by: java.lang.UnsupportedOperationException: can't get field offset on a record class: private final int RecordProbe$Coordinates.lat
|
||||
at jdk.unsupported/sun.misc.Unsafe.objectFieldOffset(Unsafe.java:903)
|
||||
at org.openjdk.jol.vm.HotspotUnsafe.fieldOffset(HotspotUnsafe.java:526)
|
||||
... 4 more
|
||||
@@ -0,0 +1,9 @@
|
||||
# WARNING: Unable to attach Serviceability Agent. sun.jvm.hotspot.runtime.VM.isCompressedKlassPointersEnabled()
|
||||
RecordProbe$Coordinates object internals:
|
||||
OFF SZ TYPE DESCRIPTION VALUE
|
||||
0 8 (object header: mark) N/A
|
||||
8 4 int Coordinates.lat N/A
|
||||
12 4 int Coordinates.lon N/A
|
||||
Instance size: 16 bytes
|
||||
Space losses: 0 bytes internal + 0 bytes external = 0 bytes total
|
||||
|
||||
@@ -0,0 +1,31 @@
|
||||
# Instance sizes in bytes, extracted from 10-, 11- and 12- transcripts
|
||||
--- 10-headers-jdk26
|
||||
=== java.lang.Object -> Instance size: 16 bytes
|
||||
=== Point { int x; int y; } -> Instance size: 24 bytes
|
||||
=== Order { long id; int quantity; boolean paid; String customer; } -> Instance size: 32 bytes
|
||||
=== java.lang.Long and java.lang.Integer (boxed values) -> Instance size: 24 bytes
|
||||
=== java.lang.Long and java.lang.Integer (boxed values) -> Instance size: 16 bytes
|
||||
=== int[3] -> Instance size: 32 bytes
|
||||
1,000,000 boxed Integer values in an ArrayList : 20,861,992 bytes
|
||||
1,000,000 boxed Long values in an ArrayList : 28,861,992 bytes
|
||||
1,000,000 Point objects in an ArrayList : 28,861,992 bytes
|
||||
--- 11-headers-jdk27
|
||||
=== java.lang.Object -> Instance size: 8 bytes
|
||||
=== Point { int x; int y; } -> Instance size: 16 bytes
|
||||
=== Order { long id; int quantity; boolean paid; String customer; } -> Instance size: 32 bytes
|
||||
=== java.lang.Long and java.lang.Integer (boxed values) -> Instance size: 16 bytes
|
||||
=== java.lang.Long and java.lang.Integer (boxed values) -> Instance size: 16 bytes
|
||||
=== int[3] -> Instance size: 24 bytes
|
||||
1,000,000 boxed Integer values in an ArrayList : 20,861,984 bytes
|
||||
1,000,000 boxed Long values in an ArrayList : 20,861,984 bytes
|
||||
1,000,000 Point objects in an ArrayList : 20,861,984 bytes
|
||||
--- 12-headers-jdk27-opt-out
|
||||
=== java.lang.Object -> Instance size: 16 bytes
|
||||
=== Point { int x; int y; } -> Instance size: 24 bytes
|
||||
=== Order { long id; int quantity; boolean paid; String customer; } -> Instance size: 32 bytes
|
||||
=== java.lang.Long and java.lang.Integer (boxed values) -> Instance size: 24 bytes
|
||||
=== java.lang.Long and java.lang.Integer (boxed values) -> Instance size: 16 bytes
|
||||
=== int[3] -> Instance size: 32 bytes
|
||||
1,000,000 boxed Integer values in an ArrayList : 20,861,992 bytes
|
||||
1,000,000 boxed Long values in an ArrayList : 28,861,992 bytes
|
||||
1,000,000 Point objects in an ArrayList : 28,861,992 bytes
|
||||
@@ -0,0 +1,6 @@
|
||||
$ javac --enable-preview --release 27 Dominated.java (JDK 27)
|
||||
Dominated.java:9: error: this case label is dominated by a preceding case label
|
||||
case int primitive -> "an int"; // dominated: every Integer is already caught above
|
||||
^
|
||||
1 error
|
||||
exit=1
|
||||
@@ -0,0 +1,16 @@
|
||||
$ javac --enable-preview --release 26 Lazy26.java (JDK 26)
|
||||
exit=0
|
||||
|
||||
$ javac --enable-preview --release 27 Lazy26.java (JDK 27)
|
||||
Lazy26.java:12: error: cannot find symbol
|
||||
if (!GREETING.isInitialized()) {
|
||||
^
|
||||
symbol: method isInitialized()
|
||||
location: variable GREETING of type LazyConstant<String>
|
||||
Lazy26.java:13: error: cannot find symbol
|
||||
System.out.println("not yet: " + GREETING.orElse("<unset>"));
|
||||
^
|
||||
symbol: method orElse(String)
|
||||
location: variable GREETING of type LazyConstant<String>
|
||||
2 errors
|
||||
exit=1
|
||||
@@ -0,0 +1,19 @@
|
||||
$ javac --enable-preview --release 26 Pem26Style.java (JDK 26)
|
||||
exit=0
|
||||
|
||||
$ javac --enable-preview --release 27 Pem26Style.java (JDK 27)
|
||||
Pem26Style.java:1: error: cannot find symbol
|
||||
import java.security.DEREncodable;
|
||||
^
|
||||
symbol: class DEREncodable
|
||||
location: package java.security
|
||||
Pem26Style.java:20: error: cannot find symbol
|
||||
PEMDecoder viaProvider = PEMDecoder.of().withFactory(provider); // 2
|
||||
^
|
||||
symbol: method withFactory(Provider)
|
||||
location: class PEMDecoder
|
||||
Pem26Style.java:22: error: incompatible types: byte[] cannot be converted to String
|
||||
String base64Text = pem.content(); // 3
|
||||
^
|
||||
3 errors
|
||||
exit=1
|
||||
@@ -0,0 +1,19 @@
|
||||
$ javac --enable-preview --release 26 StructuredScope26.java (JDK 26)
|
||||
exit=0
|
||||
|
||||
$ javac --enable-preview --release 27 StructuredScope26.java (JDK 27)
|
||||
StructuredScope26.java:12: error: wrong number of type arguments; required 3
|
||||
try (StructuredTaskScope<String, List<String>> scope =
|
||||
^
|
||||
StructuredScope26.java:17: error: cannot find symbol
|
||||
} catch (StructuredTaskScope.FailedException e) {
|
||||
^
|
||||
symbol: class FailedException
|
||||
location: interface StructuredTaskScope
|
||||
StructuredScope26.java:19: error: cannot find symbol
|
||||
} catch (StructuredTaskScope.TimeoutException e) {
|
||||
^
|
||||
symbol: class TimeoutException
|
||||
location: interface StructuredTaskScope
|
||||
3 errors
|
||||
exit=1
|
||||
@@ -0,0 +1,14 @@
|
||||
$ java --enable-preview StructuredDemo (JDK 27)
|
||||
--- allSuccessfulOrThrow(): results as a List, failures as ExecutionException
|
||||
results = [price=42, stock=7]
|
||||
CHECK ok : join() returns the subtask results in fork order
|
||||
caught java.util.concurrent.ExecutionException with cause java.lang.IllegalStateException: inventory service is down
|
||||
CHECK ok : a failing subtask surfaces as ExecutionException(cause)
|
||||
--- allSuccessfulOrThrow(Function): join() throws the exception type you choose
|
||||
caught OrderFailed: order failed: inventory service is down
|
||||
CHECK ok : the mapped exception wraps the original failure
|
||||
--- withTimeout(...): what happens when the scope runs out of time
|
||||
caught java.util.concurrent.ExecutionException
|
||||
cause: java.util.concurrent.StructuredTaskScope$CancelledByTimeoutException
|
||||
CHECK ok : a timeout is reported as CancelledByTimeoutException
|
||||
exit=0
|
||||
@@ -0,0 +1,22 @@
|
||||
$ java --enable-preview LazyDemo (JDK 27)
|
||||
--- a lazy constant computes once, on first use
|
||||
toString before first get(): jdk.internal.lang.LazyConstantImpl@...[computing function=LazyDemo$$Lambda/0x...@...]
|
||||
(loading settings on main)
|
||||
toString after first get(): jdk.internal.lang.LazyConstantImpl@...[Settings[region=ap-south-1, poolSize=16]]
|
||||
CHECK ok : get() returns the same instance every time
|
||||
CHECK ok : the supplier ran exactly once
|
||||
--- and once even when 64 threads race for it
|
||||
CHECK ok : 64 racing threads triggered exactly one initialisation
|
||||
--- List.ofLazy: each element is computed on first access
|
||||
computed so far: 0
|
||||
squares.get(3) = square(3)=9
|
||||
squares.get(3) = square(3)=9 (second read)
|
||||
CHECK ok : only element 3 was ever computed
|
||||
--- Map.ofLazy: the keys are fixed, the values are computed on first access
|
||||
lengths.get("gamma") = 5
|
||||
CHECK ok : only the requested key's value was computed
|
||||
--- Set.ofLazy (new in 27): membership is decided by a predicate, on demand
|
||||
primes.contains(7) = true, primes.contains(6) = false
|
||||
CHECK ok : the lazy set answers membership using the predicate
|
||||
primes = [2, 3, 5, 7]
|
||||
exit=0
|
||||
@@ -0,0 +1,28 @@
|
||||
$ java --enable-preview PrimitivePatterns (JDK 27)
|
||||
--- instanceof <primitive>: an exact-conversion test, not a cast
|
||||
100 instanceof byte = true
|
||||
300 instanceof byte = false (a byte holds -128..127)
|
||||
CHECK ok : 100 converts to byte exactly, 300 does not
|
||||
binding: byte narrow = 100
|
||||
16_777_216 instanceof float = true
|
||||
16_777_217 instanceof float = false (float has a 24-bit significand)
|
||||
CHECK ok : int to float is exact up to 2^24 and lossy after
|
||||
--- switch on a long, with pattern labels and a guard
|
||||
classify(0) = zero
|
||||
classify(1) = one
|
||||
classify(-7) = negative (-7)
|
||||
classify(9000000000) = positive (9000000000)
|
||||
CHECK ok : long switch dispatches on constants, then patterns
|
||||
--- switch on an Object: an Integer matches 'case int'
|
||||
describe(Integer 7) = an int 7
|
||||
describe(Integer 5000) = a large int 5000
|
||||
describe(Long 7) = a long 7
|
||||
describe(Double 2.5) = a double 2.5
|
||||
describe(String hello) = a String of length 5
|
||||
describe(Character x) = something else: x
|
||||
CHECK ok : an Integer 5000 matches case int with a guard
|
||||
--- record pattern with a narrowing primitive component
|
||||
Reading[celsius=36] -> fits in a byte: 36
|
||||
Reading[celsius=4000] -> needs a full int: 4000
|
||||
CHECK ok : Reading(byte c) matches 36 but not 4000
|
||||
exit=0
|
||||
@@ -0,0 +1,29 @@
|
||||
$ java --enable-preview PemDemo (JDK 27)
|
||||
--- public key, encoded
|
||||
-----BEGIN PUBLIC KEY----- ... -----END PUBLIC KEY-----
|
||||
--- private key, encoded
|
||||
-----BEGIN PRIVATE KEY----- ... -----END PRIVATE KEY-----
|
||||
CHECK ok : a PublicKey encodes as BEGIN PUBLIC KEY
|
||||
CHECK ok : a PrivateKey encodes as BEGIN PRIVATE KEY (PKCS#8)
|
||||
CHECK ok : the decoded public key equals the original
|
||||
CHECK ok : the decoded private key equals the original
|
||||
--- decode(String) returns whatever the header says it is
|
||||
-----BEGIN PUBLIC KEY----- -> PublicKey (EC)
|
||||
-----BEGIN PRIVATE KEY----- -> PrivateKey (EC)
|
||||
--- encrypted private key
|
||||
-----BEGIN ENCRYPTED PRIVATE KEY-----
|
||||
CHECK ok : withEncryption produces ENCRYPTED PRIVATE KEY
|
||||
decoded with no password: javax.crypto.EncryptedPrivateKeyInfo
|
||||
CHECK ok : without a password you get the still-encrypted structure back
|
||||
CHECK ok : with the password you get the original private key
|
||||
--- PEM(type, byte[]) does NOT Base64-encode: the bytes go in as they are
|
||||
-----BEGIN ANKURM DEMO-----
|
||||
hello, pem
|
||||
-----END ANKURM DEMO-----
|
||||
CHECK ok : raw bytes appear verbatim between the header and footer
|
||||
--- give it the Base64 text and it round-trips
|
||||
-----BEGIN ANKURM DEMO-----
|
||||
aGVsbG8sIHBlbQ==
|
||||
-----END ANKURM DEMO-----
|
||||
CHECK ok : type, Base64 text (content()) and decoded payload (decode()) all survive
|
||||
exit=0
|
||||
@@ -0,0 +1,7 @@
|
||||
$ java --add-modules jdk.incubator.vector VectorDemo (JDK 27)
|
||||
java.version = 27
|
||||
preferred species = Species[float, 16, S_512_BIT] (16 float lanes, machine dependent)
|
||||
scalar dot = 749999.6
|
||||
vector dot = 749999.6
|
||||
CHECK ok : vector and scalar dot products agree to within 0.1%
|
||||
exit=0
|
||||
@@ -0,0 +1,21 @@
|
||||
# Who talks to whom: the key-exchange group each pairing actually negotiates (TLS 1.3, loopback)
|
||||
|
||||
=== client JDK 26 -> server JDK 26
|
||||
client offered : "named groups": [x25519, secp256r1, secp384r1, secp521r1, x448, ffdhe2048, ffdhe3072, ffdhe4096, ffdhe6144, ffdhe8192]
|
||||
server selected: x25519
|
||||
handshake complete: TLSv1.3 TLS_AES_256_GCM_SHA384
|
||||
|
||||
=== client JDK 27 -> server JDK 27
|
||||
client offered : "named groups": [X25519MLKEM768, x25519, secp256r1, secp384r1, secp521r1, x448, ffdhe2048, ffdhe3072, ffdhe4096]
|
||||
server selected: X25519MLKEM768
|
||||
handshake complete: TLSv1.3 TLS_AES_256_GCM_SHA384
|
||||
|
||||
=== client JDK 27 -> server JDK 26
|
||||
client offered : "named groups": [X25519MLKEM768, x25519, secp256r1, secp384r1, secp521r1, x448, ffdhe2048, ffdhe3072, ffdhe4096]
|
||||
server selected: x25519
|
||||
handshake complete: TLSv1.3 TLS_AES_256_GCM_SHA384
|
||||
|
||||
=== client JDK 26 -> server JDK 27
|
||||
client offered : "named groups": [x25519, secp256r1, secp384r1, secp521r1, x448, ffdhe2048, ffdhe3072, ffdhe4096, ffdhe6144, ffdhe8192]
|
||||
server selected: x25519
|
||||
handshake complete: TLSv1.3 TLS_AES_256_GCM_SHA384
|
||||
@@ -0,0 +1,19 @@
|
||||
# Size of the first TLS record (the ClientHello) each JDK sends
|
||||
|
||||
=== JDK 26
|
||||
java.version = 26.0.2.1
|
||||
record type = 0x16 (0x16 = handshake)
|
||||
ClientHello record = 417 bytes (+5 byte record header)
|
||||
fits one TCP segment = yes (1460-byte MSS on a 1500-byte MTU)
|
||||
|
||||
=== JDK 27
|
||||
java.version = 27
|
||||
record type = 0x16 (0x16 = handshake)
|
||||
ClientHello record = 1573 bytes (+5 byte record header)
|
||||
fits one TCP segment = NO (1460-byte MSS on a 1500-byte MTU)
|
||||
|
||||
=== JDK 27 with -Djdk.tls.namedGroups=x25519,secp256r1 (post-quantum group removed)
|
||||
java.version = 27
|
||||
record type = 0x16 (0x16 = handshake)
|
||||
ClientHello record = 408 bytes (+5 byte record header)
|
||||
fits one TCP segment = yes (1460-byte MSS on a 1500-byte MTU)
|
||||
@@ -0,0 +1,6 @@
|
||||
# Opting out on JDK 27: a client that does not offer the hybrid group
|
||||
|
||||
=== client JDK 27 with -Djdk.tls.namedGroups=x25519,secp256r1 -> server JDK 27
|
||||
client offered : "named groups": [x25519, secp256r1]
|
||||
server selected: x25519
|
||||
handshake complete: TLSv1.3 TLS_AES_256_GCM_SHA384
|
||||
@@ -0,0 +1,41 @@
|
||||
# The process under test: java -Dapi.token=abc123 -Dregion=ap-south-1 ... Idle --password=hunter2 --user=ankur
|
||||
# with DB_PASSWORD=hunter2 in the environment. Which of those values reach the recording?
|
||||
|
||||
=== jdk26-default
|
||||
jvmArguments = "-Dapi.token=abc123 -Dregion=ap-south-1 -XX:StartFlightRecording:filename=<file>"
|
||||
javaArguments = "Idle --password=hunter2 --user=ankur"
|
||||
key = "region" value = "ap-south-1"
|
||||
key = "api.token" value = "abc123"
|
||||
key = "DB_PASSWORD" value = "hunter2"
|
||||
|
||||
=== jdk27-default
|
||||
jvmArguments = "[REDACTED] -Dregion=ap-south-1 -XX:StartFlightRecording:filename=<file>"
|
||||
javaArguments = "Idle [REDACTED] --user=ankur"
|
||||
key = "region" value = "ap-south-1"
|
||||
key = "api.token" value = "[REDACTED]"
|
||||
key = "DB_PASSWORD" value = "[REDACTED]"
|
||||
|
||||
=== jdk27-own-list-replaces-defaults
|
||||
-XX:FlightRecorderOptions:redact-argument=--user*,redact-key=region
|
||||
jvmArguments = "-Dapi.token=abc123 -Dregion=[REDACTED] -XX:FlightRecorderOptions:redact-argument=[REDACTED],redact-key=region -XX:StartFlightRecording:filename=<file>"
|
||||
javaArguments = "Idle --password=hunter2 [REDACTED]"
|
||||
key = "region" value = "[REDACTED]"
|
||||
key = "api.token" value = "abc123"
|
||||
key = "DB_PASSWORD" value = "hunter2"
|
||||
|
||||
=== jdk27-plus-extends-defaults
|
||||
-XX:FlightRecorderOptions:redact-argument=+--user*,redact-key=+region
|
||||
jvmArguments = "[REDACTED] -Dregion=[REDACTED] -XX:FlightRecorderOptions:redact-argument=[REDACTED],redact-key=+region -XX:StartFlightRecording:filename=<file>"
|
||||
javaArguments = "Idle [REDACTED] [REDACTED]"
|
||||
key = "region" value = "[REDACTED]"
|
||||
key = "api.token" value = "[REDACTED]"
|
||||
key = "DB_PASSWORD" value = "[REDACTED]"
|
||||
|
||||
=== jdk27-none-disables-redaction
|
||||
-XX:FlightRecorderOptions:redact-argument=none,redact-key=none
|
||||
jvmArguments = "-Dapi.token=abc123 -Dregion=ap-south-1 -XX:FlightRecorderOptions:redact-argument=[REDACTED],redact-key=none -XX:StartFlightRecording:filename=<file>"
|
||||
javaArguments = "Idle --password=hunter2 --user=ankur"
|
||||
key = "region" value = "ap-south-1"
|
||||
key = "api.token" value = "abc123"
|
||||
key = "DB_PASSWORD" value = "hunter2"
|
||||
|
||||
@@ -0,0 +1,8 @@
|
||||
# jdk.incubator.vector: what changed between 26 and 27 (JEP 529 was the 11th incubation in 26, JEP 537 is the 12th in 27)
|
||||
|
||||
## public classes removed
|
||||
## public classes added
|
||||
## public class changes
|
||||
jdk.incubator.vector.VectorOperators
|
||||
- public abstract class jdk.incubator.vector.VectorOperators {
|
||||
+ public final class jdk.incubator.vector.VectorOperators {
|
||||
@@ -0,0 +1,190 @@
|
||||
# Public API removed/added/changed between JDK 26 and 27 (javap -public of every exported class; internal packages skipped)
|
||||
|
||||
## public classes removed
|
||||
java.security.DEREncodable
|
||||
java.util.concurrent.StructuredTaskScope$FailedException
|
||||
java.util.concurrent.StructuredTaskScope$TimeoutException
|
||||
## public classes added
|
||||
com.sun.source.tree.VarTypeTree
|
||||
java.security.BinaryEncodable
|
||||
java.time.format.DateTimeFormatterPatternProvider
|
||||
java.util.concurrent.StructuredTaskScope$CancelledByTimeoutException
|
||||
javax.crypto.CryptoException
|
||||
## public class changes
|
||||
com.sun.source.tree.Tree$Kind
|
||||
+ public static final com.sun.source.tree.Tree$Kind VAR_TYPE;
|
||||
com.sun.source.tree.TreeVisitor
|
||||
+ public abstract R visitVarType(com.sun.source.tree.VarTypeTree, P);
|
||||
com.sun.source.util.DocSourcePositions
|
||||
- public abstract long getEndPosition(com.sun.source.tree.CompilationUnitTree, com.sun.source.doctree.DocCommentTree, com.sun.source.doctree.DocTree);
|
||||
- public abstract long getStartPosition(com.sun.source.tree.CompilationUnitTree, com.sun.source.doctree.DocCommentTree, com.sun.source.doctree.DocTree);
|
||||
+ public abstract long getEndPosition(com.sun.source.doctree.DocCommentTree, com.sun.source.doctree.DocTree);
|
||||
+ public abstract long getStartPosition(com.sun.source.doctree.DocCommentTree, com.sun.source.doctree.DocTree);
|
||||
+ public default long getEndPosition(com.sun.source.tree.CompilationUnitTree, com.sun.source.doctree.DocCommentTree, com.sun.source.doctree.DocTree);
|
||||
+ public default long getStartPosition(com.sun.source.tree.CompilationUnitTree, com.sun.source.doctree.DocCommentTree, com.sun.source.doctree.DocTree);
|
||||
com.sun.source.util.SimpleTreeVisitor
|
||||
+ public R visitVarType(com.sun.source.tree.VarTypeTree, P);
|
||||
com.sun.source.util.SourcePositions
|
||||
- public abstract long getEndPosition(com.sun.source.tree.CompilationUnitTree, com.sun.source.tree.Tree);
|
||||
- public abstract long getStartPosition(com.sun.source.tree.CompilationUnitTree, com.sun.source.tree.Tree);
|
||||
+ public abstract long getEndPosition(com.sun.source.tree.Tree);
|
||||
+ public abstract long getStartPosition(com.sun.source.tree.Tree);
|
||||
+ public default long getEndPosition(com.sun.source.tree.CompilationUnitTree, com.sun.source.tree.Tree);
|
||||
+ public default long getStartPosition(com.sun.source.tree.CompilationUnitTree, com.sun.source.tree.Tree);
|
||||
com.sun.source.util.TreeScanner
|
||||
+ public R visitVarType(com.sun.source.tree.VarTypeTree, P);
|
||||
java.awt.KeyboardFocusManager
|
||||
- public static java.awt.KeyboardFocusManager getCurrentKeyboardFocusManager();
|
||||
+ public static synchronized java.awt.KeyboardFocusManager getCurrentKeyboardFocusManager();
|
||||
java.awt.geom.Arc2D
|
||||
+ public java.awt.Rectangle getBounds();
|
||||
java.lang.LazyConstant
|
||||
- public abstract T orElse(T);
|
||||
- public abstract boolean isInitialized();
|
||||
java.lang.Math
|
||||
+ public static double acosh(double);
|
||||
+ public static double asinh(double);
|
||||
+ public static double atanh(double);
|
||||
java.lang.StrictMath
|
||||
+ public static double acosh(double);
|
||||
+ public static double asinh(double);
|
||||
+ public static double atanh(double);
|
||||
java.lang.String
|
||||
+ public int encodedLength(java.nio.charset.Charset);
|
||||
java.lang.classfile.ClassFile
|
||||
+ public static final int JAVA_27_VERSION;
|
||||
java.lang.classfile.instruction.IncrementInstruction
|
||||
+ public static java.lang.classfile.instruction.IncrementInstruction of(java.lang.classfile.Opcode, int, int);
|
||||
java.lang.foreign.MemorySegment
|
||||
+ public abstract java.lang.String getString(long, java.nio.charset.Charset, long);
|
||||
+ public static long copy(java.lang.String, java.nio.charset.Charset, int, java.lang.foreign.MemorySegment, long, int);
|
||||
java.lang.foreign.SegmentAllocator
|
||||
+ public default java.lang.foreign.MemorySegment allocateFrom(java.lang.String, java.nio.charset.Charset, int, int);
|
||||
java.lang.reflect.ClassFileFormatVersion
|
||||
+ public static final java.lang.reflect.ClassFileFormatVersion RELEASE_27;
|
||||
java.lang.reflect.Executable
|
||||
- public abstract java.lang.String toGenericString();
|
||||
+ public java.lang.String toGenericString();
|
||||
java.math.BigDecimal
|
||||
+ public java.math.BigDecimal rootn(int, java.math.MathContext);
|
||||
java.security.AsymmetricKey
|
||||
- public interface java.security.AsymmetricKey extends java.security.Key,java.security.DEREncodable {
|
||||
+ public interface java.security.AsymmetricKey extends java.security.Key,java.security.BinaryEncodable {
|
||||
java.security.KeyPair
|
||||
- public final class java.security.KeyPair implements java.io.Serializable,java.security.DEREncodable {
|
||||
+ public final class java.security.KeyPair implements java.io.Serializable,java.security.BinaryEncodable {
|
||||
java.security.KeyStore
|
||||
+ public final java.time.Instant getCreationInstant(java.lang.String) throws java.security.KeyStoreException;
|
||||
java.security.KeyStoreSpi
|
||||
+ public java.time.Instant engineGetCreationInstant(java.lang.String);
|
||||
java.security.PEM
|
||||
- public final class java.security.PEM extends java.lang.Record implements java.security.DEREncodable {
|
||||
+ public final class java.security.PEM implements java.security.BinaryEncodable {
|
||||
- public final boolean equals(java.lang.Object);
|
||||
- public final byte[] decode();
|
||||
- public final int hashCode();
|
||||
- public final java.lang.String toString();
|
||||
- public java.lang.String content();
|
||||
+ public byte[] content();
|
||||
+ public byte[] decode();
|
||||
+ public java.lang.String toString();
|
||||
+ public java.security.PEM(java.lang.String, byte[]);
|
||||
+ public java.security.PEM(java.lang.String, byte[], byte[]);
|
||||
java.security.PEMDecoder
|
||||
- public <S extends java.security.DEREncodable> S decode(java.io.InputStream, java.lang.Class<S>) throws java.io.IOException;
|
||||
- public <S extends java.security.DEREncodable> S decode(java.lang.String, java.lang.Class<S>);
|
||||
- public java.security.DEREncodable decode(java.io.InputStream) throws java.io.IOException;
|
||||
- public java.security.DEREncodable decode(java.lang.String);
|
||||
- public java.security.PEMDecoder withFactory(java.security.Provider);
|
||||
+ public <S extends java.security.BinaryEncodable> S decode(java.io.InputStream, java.lang.Class<S>) throws java.io.IOException;
|
||||
+ public <S extends java.security.BinaryEncodable> S decode(java.lang.String, java.lang.Class<S>);
|
||||
+ public java.security.BinaryEncodable decode(java.io.InputStream) throws java.io.IOException;
|
||||
+ public java.security.BinaryEncodable decode(java.lang.String);
|
||||
+ public java.security.PEMDecoder withFactoriesOf(java.security.Provider);
|
||||
java.security.PEMEncoder
|
||||
- public byte[] encode(java.security.DEREncodable);
|
||||
- public java.lang.String encodeToString(java.security.DEREncodable);
|
||||
+ public byte[] encode(java.security.BinaryEncodable);
|
||||
+ public java.lang.String encodeToString(java.security.BinaryEncodable);
|
||||
java.security.cert.X509CRL
|
||||
- public abstract class java.security.cert.X509CRL extends java.security.cert.CRL implements java.security.cert.X509Extension,java.security.DEREncodable {
|
||||
+ public abstract class java.security.cert.X509CRL extends java.security.cert.CRL implements java.security.cert.X509Extension,java.security.BinaryEncodable {
|
||||
java.security.cert.X509Certificate
|
||||
- public abstract class java.security.cert.X509Certificate extends java.security.cert.Certificate implements java.security.cert.X509Extension,java.security.DEREncodable {
|
||||
+ public abstract class java.security.cert.X509Certificate extends java.security.cert.Certificate implements java.security.cert.X509Extension,java.security.BinaryEncodable {
|
||||
java.security.spec.PKCS8EncodedKeySpec
|
||||
- public class java.security.spec.PKCS8EncodedKeySpec extends java.security.spec.EncodedKeySpec implements java.security.DEREncodable {
|
||||
+ public class java.security.spec.PKCS8EncodedKeySpec extends java.security.spec.EncodedKeySpec implements java.security.BinaryEncodable {
|
||||
java.security.spec.X509EncodedKeySpec
|
||||
- public class java.security.spec.X509EncodedKeySpec extends java.security.spec.EncodedKeySpec implements java.security.DEREncodable {
|
||||
+ public class java.security.spec.X509EncodedKeySpec extends java.security.spec.EncodedKeySpec implements java.security.BinaryEncodable {
|
||||
java.util.EnumSet
|
||||
+ public java.util.Spliterator<E> spliterator();
|
||||
java.util.Locale
|
||||
- public final java.lang.String getDisplayCountry();
|
||||
- public final java.lang.String getDisplayLanguage();
|
||||
- public final java.lang.String getDisplayName();
|
||||
- public final java.lang.String getDisplayVariant();
|
||||
+ public java.lang.String getDisplayCountry();
|
||||
+ public java.lang.String getDisplayLanguage();
|
||||
+ public java.lang.String getDisplayName();
|
||||
+ public java.lang.String getDisplayVariant();
|
||||
java.util.Set
|
||||
+ public static <E> java.util.Set<E> ofLazy(java.util.Set<? extends E>, java.util.function.Predicate<? super E>);
|
||||
java.util.concurrent.StructuredTaskScope
|
||||
- public interface java.util.concurrent.StructuredTaskScope<T, R> extends java.lang.AutoCloseable {
|
||||
+ public interface java.util.concurrent.StructuredTaskScope<T, R, R_X extends java.lang.Throwable> extends java.lang.AutoCloseable {
|
||||
- public abstract R join() throws java.lang.InterruptedException;
|
||||
- public static <T, R> java.util.concurrent.StructuredTaskScope<T, R> open(java.util.concurrent.StructuredTaskScope$Joiner<? super T, ? extends R>);
|
||||
- public static <T, R> java.util.concurrent.StructuredTaskScope<T, R> open(java.util.concurrent.StructuredTaskScope$Joiner<? super T, ? extends R>, java.util.function.UnaryOperator<java.util.concurrent.StructuredTaskScope$Configuration>);
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope<T, java.lang.Void> open();
|
||||
+ public abstract R join() throws R_X, java.lang.InterruptedException;
|
||||
+ public static <T, R, R_X extends java.lang.Throwable> java.util.concurrent.StructuredTaskScope<T, R, R_X> open(java.util.concurrent.StructuredTaskScope$Joiner<? super T, ? extends R, R_X>);
|
||||
+ public static <T, R, R_X extends java.lang.Throwable> java.util.concurrent.StructuredTaskScope<T, R, R_X> open(java.util.concurrent.StructuredTaskScope$Joiner<? super T, ? extends R, R_X>, java.util.function.UnaryOperator<java.util.concurrent.StructuredTaskScope$Configuration>);
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope<T, java.lang.Void, java.util.concurrent.ExecutionException> open();
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope<T, java.lang.Void, java.util.concurrent.ExecutionException> open(java.util.function.UnaryOperator<java.util.concurrent.StructuredTaskScope$Configuration>);
|
||||
java.util.concurrent.StructuredTaskScope$Joiner
|
||||
- public interface java.util.concurrent.StructuredTaskScope$Joiner<T, R> {
|
||||
+ public interface java.util.concurrent.StructuredTaskScope$Joiner<T, R, R_X extends java.lang.Throwable> {
|
||||
- public abstract R result() throws java.lang.Throwable;
|
||||
- public default void onTimeout();
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, T> anySuccessfulOrThrow();
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.lang.Void> awaitAll();
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.lang.Void> awaitAllSuccessfulOrThrow();
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.List<T>> allSuccessfulOrThrow();
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.List<java.util.concurrent.StructuredTaskScope$Subtask<T>>> allUntil(java.util.function.Predicate<java.util.concurrent.StructuredTaskScope$Subtask<T>>);
|
||||
+ public abstract R result() throws R_X;
|
||||
+ public abstract R timeout() throws R_X;
|
||||
+ public static <T, R_X extends java.lang.Throwable> java.util.concurrent.StructuredTaskScope$Joiner<T, T, R_X> anySuccessfulOrThrow(java.util.function.Function<java.lang.Throwable, R_X>);
|
||||
+ public static <T, R_X extends java.lang.Throwable> java.util.concurrent.StructuredTaskScope$Joiner<T, java.lang.Void, R_X> awaitAllSuccessfulOrThrow(java.util.function.Function<java.lang.Throwable, R_X>);
|
||||
+ public static <T, R_X extends java.lang.Throwable> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.List<T>, R_X> allSuccessfulOrThrow(java.util.function.Function<java.lang.Throwable, R_X>);
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, T, java.util.concurrent.ExecutionException> anySuccessfulOrThrow();
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.lang.Void, java.util.concurrent.ExecutionException> awaitAllSuccessfulOrThrow();
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.List<T>, java.util.concurrent.ExecutionException> allSuccessfulOrThrow();
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.List<java.util.concurrent.StructuredTaskScope$Subtask<T>>, java.lang.RuntimeException> allUntil(java.util.function.Predicate<? super java.util.concurrent.StructuredTaskScope$Subtask<T>>);
|
||||
javax.crypto.EncryptedPrivateKeyInfo
|
||||
- public class javax.crypto.EncryptedPrivateKeyInfo implements java.security.DEREncodable {
|
||||
+ public class javax.crypto.EncryptedPrivateKeyInfo implements java.security.BinaryEncodable {
|
||||
- public java.security.KeyPair getKeyPair(java.security.Key, java.security.Provider) throws java.security.NoSuchAlgorithmException, java.security.InvalidKeyException;
|
||||
- public java.security.PrivateKey getKey(java.security.Key, java.security.Provider) throws java.security.NoSuchAlgorithmException, java.security.InvalidKeyException;
|
||||
- public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.DEREncodable, char[]);
|
||||
- public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.DEREncodable, char[], java.lang.String, java.security.spec.AlgorithmParameterSpec, java.security.Provider);
|
||||
- public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.DEREncodable, java.security.Key, java.lang.String, java.security.spec.AlgorithmParameterSpec, java.security.Provider, java.security.SecureRandom);
|
||||
+ public java.security.KeyPair getKeyPair(java.security.Key) throws java.security.NoSuchAlgorithmException, java.security.InvalidKeyException;
|
||||
+ public java.security.PrivateKey getKey(java.security.Key) throws java.security.NoSuchAlgorithmException, java.security.InvalidKeyException;
|
||||
+ public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.BinaryEncodable, char[]);
|
||||
+ public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.BinaryEncodable, char[], java.lang.String, java.security.spec.AlgorithmParameterSpec, java.security.Provider);
|
||||
+ public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.BinaryEncodable, java.security.Key, java.lang.String, java.security.spec.AlgorithmParameterSpec, java.security.Provider, java.security.SecureRandom);
|
||||
javax.lang.model.SourceVersion
|
||||
+ public static final javax.lang.model.SourceVersion RELEASE_27;
|
||||
javax.swing.JEditorPane$JEditorPaneAccessibleHypertextSupport
|
||||
+ public void changedUpdate(javax.swing.event.DocumentEvent);
|
||||
+ public void insertUpdate(javax.swing.event.DocumentEvent);
|
||||
+ public void removeUpdate(javax.swing.event.DocumentEvent);
|
||||
jdk.incubator.vector.VectorOperators
|
||||
- public abstract class jdk.incubator.vector.VectorOperators {
|
||||
+ public final class jdk.incubator.vector.VectorOperators {
|
||||
jdk.javadoc.doclet.Taglet
|
||||
+ public default java.lang.String toString(java.util.List<? extends com.sun.source.doctree.DocTree>, javax.lang.model.element.Element, java.net.URI);
|
||||
jdk.jfr.events.ContainerMemoryUsageEvent
|
||||
+ public long hostMemoryUsage;
|
||||
@@ -0,0 +1,197 @@
|
||||
# Public API removed/added/changed between JDK 25 and 26
|
||||
|
||||
## public classes removed
|
||||
java.applet.Applet
|
||||
java.applet.Applet$AccessibleApplet
|
||||
java.applet.AppletContext
|
||||
java.applet.AppletStub
|
||||
java.applet.AudioClip
|
||||
java.beans.AppletInitializer
|
||||
java.lang.StableValue
|
||||
java.security.PEMRecord
|
||||
javax.management.modelmbean.XMLParseException
|
||||
javax.swing.JApplet
|
||||
javax.swing.JApplet$AccessibleJApplet
|
||||
## public classes added
|
||||
java.lang.LazyConstant
|
||||
java.net.http.HttpOption
|
||||
java.net.http.HttpOption$Http3DiscoveryMode
|
||||
java.net.http.HttpResponse$PushPromiseHandler$PushId
|
||||
java.net.http.HttpResponse$PushPromiseHandler$PushId$Http3PushId
|
||||
java.net.http.StreamLimitException
|
||||
java.net.http.UnsupportedProtocolVersionException
|
||||
java.security.PEM
|
||||
javax.crypto.spec.HPKEParameterSpec
|
||||
jdk.jfr.events.FinalFieldMutationEvent
|
||||
jdk.jshell.SourceCodeAnalysis$CompletionContext
|
||||
jdk.jshell.SourceCodeAnalysis$CompletionState
|
||||
jdk.jshell.SourceCodeAnalysis$ElementSuggestion
|
||||
jdk.jshell.SourceCodeAnalysis$ElementSuggestionConvertor
|
||||
## public class changes
|
||||
com.sun.net.httpserver.HttpExchange
|
||||
+ public static final long RSPBODY_CHUNKED;
|
||||
+ public static final long RSPBODY_EMPTY;
|
||||
java.awt.Robot
|
||||
+ public static final int DEFAULT_DELAY;
|
||||
+ public static final int DEFAULT_STEP_LENGTH;
|
||||
+ public synchronized void type(char);
|
||||
+ public synchronized void type(int);
|
||||
+ public void click();
|
||||
+ public void click(int);
|
||||
+ public void glide(int, int);
|
||||
+ public void glide(int, int, int, int);
|
||||
+ public void glide(int, int, int, int, int, int);
|
||||
+ public void waitForIdle(int);
|
||||
java.beans.Beans
|
||||
- public static java.lang.Object instantiate(java.lang.ClassLoader, java.lang.String, java.beans.beancontext.BeanContext, java.beans.AppletInitializer) throws java.io.IOException, java.lang.ClassNotFoundException;
|
||||
java.lang.Character$UnicodeBlock
|
||||
+ public static final java.lang.Character$UnicodeBlock BERIA_ERFE;
|
||||
+ public static final java.lang.Character$UnicodeBlock CJK_UNIFIED_IDEOGRAPHS_EXTENSION_J;
|
||||
+ public static final java.lang.Character$UnicodeBlock MISCELLANEOUS_SYMBOLS_SUPPLEMENT;
|
||||
+ public static final java.lang.Character$UnicodeBlock SHARADA_SUPPLEMENT;
|
||||
+ public static final java.lang.Character$UnicodeBlock SIDETIC;
|
||||
+ public static final java.lang.Character$UnicodeBlock TAI_YO;
|
||||
+ public static final java.lang.Character$UnicodeBlock TANGUT_COMPONENTS_SUPPLEMENT;
|
||||
+ public static final java.lang.Character$UnicodeBlock TOLONG_SIKI;
|
||||
java.lang.Character$UnicodeScript
|
||||
+ public static final java.lang.Character$UnicodeScript BERIA_ERFE;
|
||||
+ public static final java.lang.Character$UnicodeScript SIDETIC;
|
||||
+ public static final java.lang.Character$UnicodeScript TAI_YO;
|
||||
+ public static final java.lang.Character$UnicodeScript TOLONG_SIKI;
|
||||
java.lang.Process
|
||||
- public abstract class java.lang.Process {
|
||||
+ public abstract class java.lang.Process implements java.io.Closeable {
|
||||
+ public void close() throws java.io.IOException;
|
||||
java.lang.String
|
||||
+ public boolean equalsFoldCase(java.lang.String);
|
||||
+ public int compareToFoldCase(java.lang.String);
|
||||
+ public static final java.util.Comparator<java.lang.String> UNICODE_CASEFOLD_ORDER;
|
||||
java.lang.Thread
|
||||
- public final void stop();
|
||||
java.lang.classfile.ClassFile
|
||||
+ public static final int JAVA_26_VERSION;
|
||||
java.lang.management.MemoryMXBean
|
||||
+ public default long getTotalGcCpuTime();
|
||||
java.lang.reflect.ClassFileFormatVersion
|
||||
+ public static final java.lang.reflect.ClassFileFormatVersion RELEASE_26;
|
||||
java.math.BigInteger
|
||||
+ public java.math.BigInteger rootn(int);
|
||||
+ public java.math.BigInteger[] rootnAndRemainder(int);
|
||||
java.net.MulticastSocket
|
||||
- public byte getTTL() throws java.io.IOException;
|
||||
- public void send(java.net.DatagramPacket, byte) throws java.io.IOException;
|
||||
- public void setTTL(byte) throws java.io.IOException;
|
||||
java.net.http.HttpClient$Version
|
||||
+ public static final java.net.http.HttpClient$Version HTTP_3;
|
||||
java.net.http.HttpRequest
|
||||
+ public <T> java.util.Optional<T> getOption(java.net.http.HttpOption<T>);
|
||||
java.net.http.HttpRequest$BodyPublishers
|
||||
+ public static java.net.http.HttpRequest$BodyPublisher ofFileChannel(java.nio.channels.FileChannel, long, long) throws java.io.IOException;
|
||||
java.net.http.HttpRequest$Builder
|
||||
+ public default <T> java.net.http.HttpRequest$Builder setOption(java.net.http.HttpOption<T>, T);
|
||||
java.net.http.HttpResponse$PushPromiseHandler
|
||||
+ public default void applyPushPromise(java.net.http.HttpRequest, java.net.http.HttpRequest, java.net.http.HttpResponse$PushPromiseHandler$PushId, java.util.function.Function<java.net.http.HttpResponse$BodyHandler<T>, java.util.concurrent.CompletableFuture<java.net.http.HttpResponse<T>>>);
|
||||
+ public default void notifyAdditionalPromise(java.net.http.HttpRequest, java.net.http.HttpResponse$PushPromiseHandler$PushId);
|
||||
java.nio.ByteOrder
|
||||
- public final class java.nio.ByteOrder {
|
||||
+ public final class java.nio.ByteOrder extends java.lang.Enum<java.nio.ByteOrder> {
|
||||
- public java.lang.String toString();
|
||||
+ public static java.nio.ByteOrder valueOf(java.lang.String);
|
||||
+ public static java.nio.ByteOrder[] values();
|
||||
java.security.SecureRandom
|
||||
+ public long nextLong();
|
||||
java.sql.Array
|
||||
- public interface java.sql.Array {
|
||||
+ public interface java.sql.Array extends java.lang.AutoCloseable {
|
||||
+ public default void close() throws java.sql.SQLException;
|
||||
java.sql.Blob
|
||||
- public interface java.sql.Blob {
|
||||
+ public interface java.sql.Blob extends java.lang.AutoCloseable {
|
||||
+ public default void close() throws java.sql.SQLException;
|
||||
java.sql.Clob
|
||||
- public interface java.sql.Clob {
|
||||
+ public interface java.sql.Clob extends java.lang.AutoCloseable {
|
||||
+ public default void close() throws java.sql.SQLException;
|
||||
java.sql.Connection
|
||||
+ public default boolean isSimpleIdentifier(java.lang.String) throws java.sql.SQLException;
|
||||
+ public default java.lang.String enquoteIdentifier(java.lang.String, boolean) throws java.sql.SQLException;
|
||||
+ public default java.lang.String enquoteLiteral(java.lang.String) throws java.sql.SQLException;
|
||||
+ public default java.lang.String enquoteNCharLiteral(java.lang.String) throws java.sql.SQLException;
|
||||
java.sql.JDBCType
|
||||
+ public static final java.sql.JDBCType DECFLOAT;
|
||||
+ public static final java.sql.JDBCType JSON;
|
||||
java.sql.SQLXML
|
||||
- public interface java.sql.SQLXML {
|
||||
+ public interface java.sql.SQLXML extends java.lang.AutoCloseable {
|
||||
+ public default void close() throws java.sql.SQLException;
|
||||
java.sql.Types
|
||||
+ public static final int DECFLOAT;
|
||||
+ public static final int JSON;
|
||||
java.time.Duration
|
||||
+ public static final java.time.Duration MAX;
|
||||
+ public static final java.time.Duration MIN;
|
||||
java.time.Instant
|
||||
+ public java.time.Instant plusSaturating(java.time.Duration);
|
||||
java.util.Comparator
|
||||
+ public default <U extends T> U max(U, U);
|
||||
+ public default <U extends T> U min(U, U);
|
||||
java.util.List
|
||||
+ public static <E> java.util.List<E> ofLazy(int, java.util.function.IntFunction<? extends E>);
|
||||
java.util.Locale$IsoCountryCode
|
||||
- public abstract class java.util.Locale$IsoCountryCode extends java.lang.Enum<java.util.Locale$IsoCountryCode> {
|
||||
+ public final class java.util.Locale$IsoCountryCode extends java.lang.Enum<java.util.Locale$IsoCountryCode> {
|
||||
java.util.Map
|
||||
+ public static <K, V> java.util.Map<K, V> ofLazy(java.util.Set<? extends K>, java.util.function.Function<? super K, ? extends V>);
|
||||
java.util.UUID
|
||||
+ public static java.util.UUID ofEpochMillis(long);
|
||||
java.util.concurrent.StructuredTaskScope
|
||||
- public static <T, R> java.util.concurrent.StructuredTaskScope<T, R> open(java.util.concurrent.StructuredTaskScope$Joiner<? super T, ? extends R>, java.util.function.Function<java.util.concurrent.StructuredTaskScope$Configuration, java.util.concurrent.StructuredTaskScope$Configuration>);
|
||||
+ public static <T, R> java.util.concurrent.StructuredTaskScope<T, R> open(java.util.concurrent.StructuredTaskScope$Joiner<? super T, ? extends R>, java.util.function.UnaryOperator<java.util.concurrent.StructuredTaskScope$Configuration>);
|
||||
java.util.concurrent.StructuredTaskScope$Joiner
|
||||
- public default boolean onComplete(java.util.concurrent.StructuredTaskScope$Subtask<? extends T>);
|
||||
- public default boolean onFork(java.util.concurrent.StructuredTaskScope$Subtask<? extends T>);
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, T> anySuccessfulResultOrThrow();
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.stream.Stream<java.util.concurrent.StructuredTaskScope$Subtask<T>>> allSuccessfulOrThrow();
|
||||
- public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.stream.Stream<java.util.concurrent.StructuredTaskScope$Subtask<T>>> allUntil(java.util.function.Predicate<java.util.concurrent.StructuredTaskScope$Subtask<? extends T>>);
|
||||
+ public default boolean onComplete(java.util.concurrent.StructuredTaskScope$Subtask<T>);
|
||||
+ public default boolean onFork(java.util.concurrent.StructuredTaskScope$Subtask<T>);
|
||||
+ public default void onTimeout();
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, T> anySuccessfulOrThrow();
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.List<T>> allSuccessfulOrThrow();
|
||||
+ public static <T> java.util.concurrent.StructuredTaskScope$Joiner<T, java.util.List<java.util.concurrent.StructuredTaskScope$Subtask<T>>> allUntil(java.util.function.Predicate<java.util.concurrent.StructuredTaskScope$Subtask<T>>);
|
||||
java.util.concurrent.ThreadLocalRandom
|
||||
+ public double nextGaussian();
|
||||
javax.crypto.EncryptedPrivateKeyInfo
|
||||
- public java.security.PrivateKey getKey(char[]) throws java.security.GeneralSecurityException;
|
||||
- public java.security.PrivateKey getKey(java.security.Key, java.security.Provider) throws java.security.GeneralSecurityException;
|
||||
- public static javax.crypto.EncryptedPrivateKeyInfo encryptKey(java.security.PrivateKey, char[]);
|
||||
- public static javax.crypto.EncryptedPrivateKeyInfo encryptKey(java.security.PrivateKey, char[], java.lang.String, java.security.spec.AlgorithmParameterSpec, java.security.Provider);
|
||||
- public static javax.crypto.EncryptedPrivateKeyInfo encryptKey(java.security.PrivateKey, java.security.Key, java.lang.String, java.security.spec.AlgorithmParameterSpec, java.security.Provider, java.security.SecureRandom);
|
||||
+ public java.security.KeyPair getKeyPair(char[]) throws java.security.NoSuchAlgorithmException, java.security.InvalidKeyException;
|
||||
+ public java.security.KeyPair getKeyPair(java.security.Key, java.security.Provider) throws java.security.NoSuchAlgorithmException, java.security.InvalidKeyException;
|
||||
+ public java.security.PrivateKey getKey(char[]) throws java.security.NoSuchAlgorithmException, java.security.InvalidKeyException;
|
||||
+ public java.security.PrivateKey getKey(java.security.Key, java.security.Provider) throws java.security.NoSuchAlgorithmException, java.security.InvalidKeyException;
|
||||
+ public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.DEREncodable, char[]);
|
||||
+ public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.DEREncodable, char[], java.lang.String, java.security.spec.AlgorithmParameterSpec, java.security.Provider);
|
||||
+ public static javax.crypto.EncryptedPrivateKeyInfo encrypt(java.security.DEREncodable, java.security.Key, java.lang.String, java.security.spec.AlgorithmParameterSpec, java.security.Provider, java.security.SecureRandom);
|
||||
javax.imageio.spi.ServiceRegistry
|
||||
- public void finalize() throws java.lang.Throwable;
|
||||
javax.lang.model.SourceVersion
|
||||
+ public static final javax.lang.model.SourceVersion RELEASE_26;
|
||||
javax.management.modelmbean.DescriptorSupport
|
||||
- public javax.management.modelmbean.DescriptorSupport(java.lang.String) throws javax.management.MBeanException, javax.management.RuntimeOperationsException, javax.management.modelmbean.XMLParseException;
|
||||
- public synchronized java.lang.String toXMLString();
|
||||
javax.swing.RepaintManager
|
||||
- public void addDirtyRegion(java.applet.Applet, int, int, int, int);
|
||||
jdk.incubator.vector.VectorOperators
|
||||
- public static final jdk.incubator.vector.VectorOperators$Binary SUADD;
|
||||
+ public static final jdk.incubator.vector.VectorOperators$Associative SUADD;
|
||||
jdk.jpackage.main.Main
|
||||
- public int execute(java.io.PrintWriter, java.io.PrintWriter, java.lang.String...);
|
||||
- public static final java.util.ResourceBundle I18N;
|
||||
- public static void main(java.lang.String...) throws java.lang.Exception;
|
||||
+ public static void main(java.lang.String...);
|
||||
jdk.jshell.SourceCodeAnalysis
|
||||
+ public abstract <S> java.util.List<S> completionSuggestions(java.lang.String, int, jdk.jshell.SourceCodeAnalysis$ElementSuggestionConvertor<S>);
|
||||
jdk.jshell.SourceCodeAnalysis$Documentation
|
||||
+ public default int activeParameterIndex();
|
||||
@@ -0,0 +1,54 @@
|
||||
# JVM options that JDK 27 removed or renamed. Each runs 'java <option> -version' on 26 and on 27.
|
||||
|
||||
=== -noverify
|
||||
JDK 26:
|
||||
OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
|
||||
OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
|
||||
JDK 27:
|
||||
Unrecognized option: -noverify
|
||||
Error: Could not create the Java Virtual Machine.
|
||||
|
||||
=== -Xverify:none
|
||||
JDK 26:
|
||||
OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
|
||||
OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
|
||||
JDK 27:
|
||||
Unrecognized verification option: -Xverify:none
|
||||
Error: Could not create the Java Virtual Machine.
|
||||
|
||||
=== -noclassgc
|
||||
JDK 26:
|
||||
Warning: -noclassgc option is deprecated and may be removed in a future release.
|
||||
OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
|
||||
JDK 27:
|
||||
Unrecognized option: -noclassgc
|
||||
Error: Could not create the Java Virtual Machine.
|
||||
|
||||
=== -XX:+UseCompressedClassPointers
|
||||
JDK 26:
|
||||
OpenJDK 64-Bit Server VM warning: Option UseCompressedClassPointers was deprecated in version 25.0 and will likely be removed in a future release.
|
||||
OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
|
||||
JDK 27:
|
||||
OpenJDK 64-Bit Server VM warning: Ignoring option UseCompressedClassPointers; support was removed in 27.0
|
||||
OpenJDK 64-Bit Server VM Corretto-27.0.0.35.1 (build 27+35-FR, mixed mode, sharing)
|
||||
|
||||
=== -XX:InitiatingHeapOccupancyPercent=40
|
||||
JDK 26:
|
||||
OpenJDK 64-Bit Server VM Corretto-26.0.2.11.1 (build 26.0.2.1+11-FR, mixed mode, sharing)
|
||||
JDK 27:
|
||||
OpenJDK 64-Bit Server VM warning: Option InitiatingHeapOccupancyPercent was deprecated in version 27.0 and will likely be removed in a future release. Use option G1IHOP instead.
|
||||
OpenJDK 64-Bit Server VM Corretto-27.0.0.35.1 (build 27+35-FR, mixed mode, sharing)
|
||||
|
||||
=== -XX:G1IHOP=40
|
||||
JDK 26:
|
||||
Unrecognized VM option 'G1IHOP=40'
|
||||
Error: Could not create the Java Virtual Machine.
|
||||
JDK 27:
|
||||
OpenJDK 64-Bit Server VM Corretto-27.0.0.35.1 (build 27+35-FR, mixed mode, sharing)
|
||||
|
||||
=== -XX:+UnlockExperimentalVMOptions -XX:+UseGraalJIT (JVMCI and the Graal JIT hook were removed in 27)
|
||||
JDK 26:
|
||||
Cannot use JVMCI compiler: JVMCI compiler 'graal' specified by jvmci.Compiler not found
|
||||
JDK 27:
|
||||
Unrecognized VM option 'UseGraalJIT'
|
||||
Error: Could not create the Java Virtual Machine.
|
||||
@@ -0,0 +1,21 @@
|
||||
# Behaviour changes that need no new API to observe
|
||||
|
||||
=== a script that pins the VFORK process launch mechanism
|
||||
JDK 26: java -Djdk.lang.Process.launchMechanism=VFORK SpawnProbe
|
||||
VFORK MODE DEPRECATED
|
||||
The VFORK launch mechanism has been deprecated for being dangerous.
|
||||
It will be removed in a future java version. Either remove the
|
||||
JDK 27: java -Djdk.lang.Process.launchMechanism=VFORK SpawnProbe
|
||||
The VFORK launch mechanism has been removed. Switching to FORK instead.
|
||||
Please remove the jdk.lang.Process.launchMechanism property (preferred)
|
||||
or use FORK mode instead (-Djdk.lang.Process.launchMechanism=FORK).
|
||||
|
||||
=== the legacy ISO 639 language codes property (iw, ji, in)
|
||||
JDK 26: java -Djava.locale.useOldISOCodes=true Compat
|
||||
java.version = 26.0.2.1
|
||||
WARNING: The use of the system property "java.locale.useOldISOCodes" is deprecated. It will be removed in a future release of the JDK.
|
||||
Locale("iw").language = iw (Hebrew; old code 'iw', current code 'he')
|
||||
JDK 27: java -Djava.locale.useOldISOCodes=true Compat
|
||||
java.version = 27
|
||||
WARNING: The system property "java.locale.useOldISOCodes" is no longer supported. Any specified value will be ignored.
|
||||
Locale("iw").language = he (Hebrew; old code 'iw', current code 'he')
|
||||
@@ -0,0 +1,12 @@
|
||||
# New public API in 27, each exercised once (found by diffing javap dumps, see 51-api-diff-26-to-27.txt)
|
||||
Math.acosh(2) = 1.316958
|
||||
Math.asinh(1) = 0.881374
|
||||
Math.atanh(.5) = 0.549306
|
||||
CHECK ok : acosh inverts cosh
|
||||
"naïve café".length() = 10, encodedLength(UTF_8) = 12
|
||||
CHECK ok : encodedLength matches getBytes().length without allocating the array
|
||||
BigDecimal(27).rootn(3) = 3
|
||||
CHECK ok : rootn(3) of 27 is 3
|
||||
KeyStore.getCreationInstant("aes-key") returns an Instant: true
|
||||
CHECK ok : KeyStore.getCreationInstant returns the entry's creation time as a java.time.Instant
|
||||
CHECK ok : Set.ofLazy(Set, Predicate) exists (preview API)
|
||||
@@ -0,0 +1,45 @@
|
||||
# JEP 500: reflection writing to a final field, same class file behaviour on 25 and on 26
|
||||
|
||||
=== JDK 25 (class compiled --release 25)
|
||||
field reads : 9090
|
||||
port() returns : 8080
|
||||
|
||||
=== JDK 26, defaults
|
||||
WARNING: Final field port in class FinalFieldMutation$Config has been mutated reflectively by class FinalFieldMutation in unnamed module @<hash> (file:<repo>/build/recap26/26/)
|
||||
WARNING: Use --enable-final-field-mutation=ALL-UNNAMED to avoid a warning
|
||||
WARNING: Mutating final fields will be blocked in a future release unless final field mutation is enabled
|
||||
field reads : 9090
|
||||
port() returns : 8080
|
||||
|
||||
=== JDK 26, --enable-final-field-mutation=ALL-UNNAMED (the opt-in the warning asks for)
|
||||
field reads : 9090
|
||||
port() returns : 8080
|
||||
|
||||
=== JDK 26, --illegal-final-field-mutation=deny (what a future default will look like)
|
||||
setInt refused : class FinalFieldMutation (in unnamed module @<hash>) cannot set final field FinalFieldMutation$Config.port (in unnamed module @<hash>), unnamed module @<hash> is not allowed to mutate final fields
|
||||
|
||||
=== JDK 26, --illegal-final-field-mutation=debug (warning plus the offending stack trace)
|
||||
Final field port in class FinalFieldMutation$Config has been mutated reflectively by class FinalFieldMutation in unnamed module @<hash> (file:<repo>/build/recap26/26/)
|
||||
at java.base/java.lang.reflect.Field.postSetFinal(Field.java:1534)
|
||||
at java.base/java.lang.reflect.Field.setFinal(Field.java:1449)
|
||||
at java.base/java.lang.reflect.Field.setInt(Field.java:1134)
|
||||
at FinalFieldMutation.main(FinalFieldMutation.java:22)
|
||||
field reads : 9090
|
||||
port() returns : 8080
|
||||
|
||||
=== JDK 26, JFR default settings, [no flag]: jfr print --events jdk.FinalFieldMutation
|
||||
jdk.FinalFieldMutation
|
||||
declaringClass = FinalFieldMutation$Config (classLoader = app)
|
||||
fieldName = "port"
|
||||
FinalFieldMutation.main(String[]) line: 22
|
||||
events recorded: 1
|
||||
|
||||
=== JDK 26, JFR default settings, [--enable-final-field-mutation=ALL-UNNAMED]: jfr print --events jdk.FinalFieldMutation
|
||||
jdk.FinalFieldMutation
|
||||
declaringClass = FinalFieldMutation$Config (classLoader = app)
|
||||
fieldName = "port"
|
||||
FinalFieldMutation.main(String[]) line: 22
|
||||
events recorded: 1
|
||||
|
||||
=== JDK 26, JFR default settings, [--illegal-final-field-mutation=deny]: jfr print --events jdk.FinalFieldMutation
|
||||
events recorded: 0
|
||||
@@ -0,0 +1,20 @@
|
||||
# JEP 516: can the cache's archived heap objects be used? One row per (JDK, GC the cache was built under, GC at run time).
|
||||
# 'heap objects' = the log says the archived module graph was used; 'unusable' = the JVM refused the whole cache.
|
||||
JDK 25 cache built under G1 run under Serial -> heap objects used (full module graph: enabled)
|
||||
JDK 25 cache built under G1 run under G1 -> heap objects used (full module graph: enabled)
|
||||
JDK 25 cache built under G1 run under Z -> unusable: saved state of UseCompressedOops and UseCompressedClassPointers is different from runtime
|
||||
JDK 25 cache built under Z run under Serial -> unusable: saved state of UseCompressedOops and UseCompressedClassPointers is different from runtime
|
||||
JDK 25 cache built under Z run under G1 -> unusable: saved state of UseCompressedOops and UseCompressedClassPointers is different from runtime
|
||||
JDK 25 cache built under Z run under Z -> cache used, heap objects NOT used (full module graph: disabled)
|
||||
JDK 26 cache built under G1 run under Serial -> heap objects used (full module graph: enabled)
|
||||
JDK 26 cache built under G1 run under G1 -> heap objects used (full module graph: enabled)
|
||||
JDK 26 cache built under G1 run under Z -> unusable: saved state of UseCompressedOops and UseCompressedClassPointers is different from runtime
|
||||
JDK 26 cache built under Z run under Serial -> unusable: saved state of UseCompressedOops and UseCompressedClassPointers is different from runtime
|
||||
JDK 26 cache built under Z run under G1 -> unusable: saved state of UseCompressedOops and UseCompressedClassPointers is different from runtime
|
||||
JDK 26 cache built under Z run under Z -> heap objects used (full module graph: enabled)
|
||||
JDK 27 cache built under G1 run under Serial -> heap objects used (full module graph: enabled)
|
||||
JDK 27 cache built under G1 run under G1 -> heap objects used (full module graph: enabled)
|
||||
JDK 27 cache built under G1 run under Z -> unusable: saved state of UseCompressedOops (1) is different from runtime (0)
|
||||
JDK 27 cache built under Z run under Serial -> unusable: saved state of UseCompressedOops (0) is different from runtime (1)
|
||||
JDK 27 cache built under Z run under G1 -> unusable: saved state of UseCompressedOops (0) is different from runtime (1)
|
||||
JDK 27 cache built under Z run under Z -> heap objects used (full module graph: enabled)
|
||||
@@ -0,0 +1,7 @@
|
||||
# Wall-clock ms for 'java -cp app.jar AotApp' (median of 9), no AOT cache vs cache built under the same GC. INDICATIVE: shared 2-CPU sandbox.
|
||||
JDK 25 G1 no cache: 57 ms with cache: 37 ms
|
||||
JDK 25 Z no cache: 83 ms with cache: 81 ms
|
||||
JDK 26 G1 no cache: 59 ms with cache: 35 ms
|
||||
JDK 26 Z no cache: 62 ms with cache: 40 ms
|
||||
JDK 27 G1 no cache: 61 ms with cache: 36 ms
|
||||
JDK 27 Z no cache: 63 ms with cache: 38 ms
|
||||
@@ -0,0 +1,34 @@
|
||||
# Source that compiled on 25 and does not on 26
|
||||
|
||||
=== recap26/src/broken/AppletGone.java
|
||||
javac (JDK 25, --release 25): exit 0
|
||||
<repo>/recap26/src/broken/AppletGone.java:5: warning: [removal] Applet in java.applet has been deprecated and marked for removal
|
||||
public class AppletGone extends Applet {
|
||||
^
|
||||
1 warning
|
||||
javac (JDK 26, --release 26): exit 1
|
||||
<repo>/recap26/src/broken/AppletGone.java:3: error: package java.applet does not exist
|
||||
import java.applet.Applet;
|
||||
^
|
||||
<repo>/recap26/src/broken/AppletGone.java:5: error: cannot find symbol
|
||||
public class AppletGone extends Applet {
|
||||
^
|
||||
symbol: class Applet
|
||||
<repo>/recap26/src/broken/AppletGone.java:6: error: init() in AppletGone does not override or implement a method from a supertype
|
||||
@Override public void init() { System.out.println("applet init"); }
|
||||
^
|
||||
3 errors
|
||||
|
||||
=== recap26/src/broken/ThreadStopGone.java
|
||||
javac (JDK 25, --release 25): exit 0
|
||||
<repo>/recap26/src/broken/ThreadStopGone.java:5: warning: [removal] stop() in Thread has been deprecated and marked for removal
|
||||
t.stop();
|
||||
^
|
||||
1 warning
|
||||
javac (JDK 26, --release 26): exit 1
|
||||
<repo>/recap26/src/broken/ThreadStopGone.java:5: error: cannot find symbol
|
||||
t.stop();
|
||||
^
|
||||
symbol: method stop()
|
||||
location: variable t of type Thread
|
||||
1 error
|
||||
@@ -0,0 +1,12 @@
|
||||
CHECK ok : "STRASSE".equalsFoldCase("stra\u00DFe") is true (full case folding, sharp s)
|
||||
CHECK ok : equalsIgnoreCase says false for the same pair (simple folding only)
|
||||
CHECK ok : "apple".compareToFoldCase("BANANA") < 0
|
||||
CHECK ok : sorted with String.UNICODE_CASEFOLD_ORDER: [A, b, B, c]
|
||||
CHECK ok : UUID.ofEpochMillis(..).version() == 7
|
||||
CHECK ok : the first 48 bits are the timestamp: 018bcfe5-6800-...
|
||||
CHECK ok : try-with-resources on Process (implements Closeable in 26)
|
||||
CHECK ok : MemoryMXBean.getTotalGcCpuTime() exists and is non-negative
|
||||
CHECK ok : ByteOrder is an enum: [LITTLE_ENDIAN, BIG_ENDIAN]
|
||||
CHECK ok : HttpClient.Version.HTTP_3 exists and is accepted by the builder
|
||||
CHECK ok : Character.UnicodeBlock.SIDETIC exists (Unicode 17)
|
||||
exit code: 0
|
||||
@@ -0,0 +1,26 @@
|
||||
# JEP 517: a client that prefers HTTP/3 against a server that only speaks HTTP/1.1 over TLS (loopback, JDK's own HttpsServer)
|
||||
# There is no live HTTP/3 server in this transcript: the sandbox has no UDP egress. The API surface is javap output below.
|
||||
client asked for : HTTP_3
|
||||
server answered : HTTP_1_1 200 hello
|
||||
HTTP_3_URI_ONLY : java.net.http.HttpConnectTimeoutException: quic handshake timeout
|
||||
|
||||
# javap --module java.net.http -public java.net.http.HttpOption 'java.net.http.HttpOption$Http3DiscoveryMode'
|
||||
Compiled from "HttpOption.java"
|
||||
public interface java.net.http.HttpOption<T> {
|
||||
public static final java.net.http.HttpOption<java.net.http.HttpOption$Http3DiscoveryMode> H3_DISCOVERY;
|
||||
public abstract java.lang.String name();
|
||||
public abstract java.lang.Class<T> type();
|
||||
}
|
||||
Compiled from "HttpOption.java"
|
||||
public final class java.net.http.HttpOption$Http3DiscoveryMode extends java.lang.Enum<java.net.http.HttpOption$Http3DiscoveryMode> {
|
||||
public static final java.net.http.HttpOption$Http3DiscoveryMode ANY;
|
||||
public static final java.net.http.HttpOption$Http3DiscoveryMode ALT_SVC;
|
||||
public static final java.net.http.HttpOption$Http3DiscoveryMode HTTP_3_URI_ONLY;
|
||||
public static java.net.http.HttpOption$Http3DiscoveryMode[] values();
|
||||
public static java.net.http.HttpOption$Http3DiscoveryMode valueOf(java.lang.String);
|
||||
}
|
||||
|
||||
# javap ... HttpClient$Version
|
||||
public static final java.net.http.HttpClient$Version HTTP_1_1;
|
||||
public static final java.net.http.HttpClient$Version HTTP_2;
|
||||
public static final java.net.http.HttpClient$Version HTTP_3;
|
||||
Reference in New Issue
Block a user