asmhatre

asmhatre pushed to main at asmhatre/java-core-examples

2026-10-01 16:19:24 +00:00

dfd3a830cd sorting: Comparable vs Comparator from first principles, comparing/thenComparing/nullsFirst chaining, records as sort keys (and the record/equals compareTo trap), and a real reproduction of the int-subtraction-overflow comparator bug

asmhatre pushed to main at asmhatre/java-core-examples

2026-10-01 12:20:12 +00:00

8eb601aa0e cow: fix stale output/06 reference in WriteThroughputBenchmark comment after output file renumbering

asmhatre pushed to main at asmhatre/java-core-examples

2026-10-01 12:19:16 +00:00

6520e7aabd cow: add committed javap evidence for the internal lock field, renumber the preserved race-condition output to make room for it

asmhatre pushed to main at asmhatre/spring-boot-demo-oom

2026-10-01 12:12:33 +00:00

fd035a79e8 spring-boot-demo-oom: five real memory-leak demos with captured OOM + MAT evidence

asmhatre created branch main in asmhatre/spring-boot-demo-oom

2026-10-01 12:12:33 +00:00

asmhatre created repository asmhatre/spring-boot-demo-oom

2026-10-01 12:12:20 +00:00

asmhatre pushed to main at asmhatre/java-core-examples

2026-10-01 12:09:54 +00:00

434054f246 cow: CopyOnWriteArrayList - deterministic iterator-snapshot and synchronizedList CME demos, JMH read/write throughput, and the addLast/removeFirst fix for a real concurrent-writer race

asmhatre pushed to main at asmhatre/java-core-examples

2026-10-01 11:32:26 +00:00

2eaa464bad immutable: List.of vs unmodifiableList vs copyOf - null handling, views vs copies, JMH wrap/copy overhead, a Guava comparison, and the record defensive-copy trap

asmhatre pushed to main at asmhatre/java-core-examples

2026-10-01 04:39:43 +00:00

64de44fa65 sequenced: JEP 431 Sequenced Collections across List/Deque/LinkedHashSet/LinkedHashMap/TreeMap, and the getLast() replacement for the Set find-last stream tricks

asmhatre pushed to main at asmhatre/JUnit_Tutorials

2026-10-01 04:38:41 +00:00

bfc67986bc Add organising module: DisplayNameGenerator/@Nested/@Tag demos on JUnit 6.1.3

asmhatre pushed to main at asmhatre/jfr

2026-10-01 04:37:40 +00:00

c7eccd1db5 Add jfr-demo: JFR + Mission Control profiling of a live Spring Boot app

asmhatre created branch main in asmhatre/jfr

2026-10-01 04:37:40 +00:00

asmhatre created repository asmhatre/jfr

2026-10-01 04:37:12 +00:00

asmhatre pushed to main at asmhatre/zgc-jdk25-benchmarks

2026-10-01 04:34:13 +00:00

2f88734f5d Add flags: production JVM flag cheat sheet for Spring Boot on JDK 25/27

asmhatre pushed to main at asmhatre/java-core-examples

2026-10-01 04:30:26 +00:00

9059df4ad2 list-benchmarks: ArrayList vs LinkedList JMH benchmarks (add/get/iterate/remove) and when ArrayDeque fits instead of either

asmhatre pushed to main at asmhatre/java-interview-lab

2026-10-01 04:27:41 +00:00

d4b3a63615 Add collections module: HashMap bucket layout, treeification, and a real ConcurrentModificationException reproduction

asmhatre created branch main in asmhatre/java-interview-lab

2026-10-01 04:27:41 +00:00

asmhatre created repository asmhatre/java-interview-lab

2026-10-01 04:27:16 +00:00

asmhatre pushed to main at asmhatre/javademos

2026-10-01 04:23:37 +00:00

fc05eed4b5 Add compact-strings module: Compact Strings (JEP 254) measured with JOL on JDK 25, with and without -XX:-CompactStrings, and compact object headers on 25 vs 27

asmhatre pushed to main at asmhatre/javademos

2026-09-30 20:27:49 +00:00

fadfd05670 Add http3 module: HTTP/3 in the Java HTTP Client (JEP 517), opt-in, discovery modes, fallback timings, proxy downgrade and a packet-loss comparison