Java 27 and 26: runnable demos and captured output for every JEP, plus version lanes

docs/output/74-api26.txt

@@ -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