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
@@ -0,0 +1,5 @@
+/** Fails to compile on purpose: a more general pattern before a specific one makes the later case unreachable. */
+public class DominatedCase {
+    static String f(Object o) { return switch (o) { case CharSequence cs -> "cs"; case String s -> "s"; default -> "d"; }; }
+    public static void main(String[] args) { }
+}