Add java17-features module: runnable demos and captured output for the ankurm.com java17-features article

2026-10-20 17:13:58 +00:00
parent 8b9447a393
commit 5a076c826f
23 changed files with 261 additions and 0 deletions
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+/** Fails to compile on purpose: a class that is not in the permits list cannot extend a sealed type. */
+public class SealedViolation {
+    sealed interface Shape permits Circle {}
+    record Circle(double r) implements Shape {}
+    record Triangle(double b, double h) implements Shape {}
+    public static void main(String[] args) { }
+}