Add java21-features module: runnable demos and captured output for the ankurm.com java21-features article

2026-10-20 17:13:59 +00:00
parent 5a076c826f
commit c3cc57f482
33 changed files with 354 additions and 0 deletions
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+import java.lang.management.*;
+
+/** JEP 439 (final): Generational ZGC is opt-in on 21 with -XX:+ZGenerational. Prints the GC beans each mode registers. */
+public class GcNamesDemo {
+    public static void main(String[] args) {
+        for (GarbageCollectorMXBean b : ManagementFactory.getGarbageCollectorMXBeans()) System.out.println("gc bean         : " + b.getName());
+    }
+}