copying: fold in graph copying (shared nodes, cycles, identity-map fix), serialization rules (constructors, record canonical constructor, ObjectInputFilter), record array components, clone() as a defensive copy, two more compile-error exhibits; 24 tests

Co-Authored-By: Claude Sonnet 5.5 <[email protected]> Claude-Session: https://claude.ai/code/session_017ic4b4BL3cEPHQTk2McE7C
2026-11-12 20:29:58 +05:30
parent 38fbd513c9
commit c8588ae520
17 changed files with 442 additions and 11 deletions
@@ -0,0 +1,11 @@
+/** A "wither" expression on a record (JEP 468, derived record creation). Not part of JDK 25. */
+public class WithExpression {
+
+    record Point(int x, int y) {}
+
+    public static void main(String[] args) {
+        Point p = new Point(1, 2);
+        Point q = p with { x = 10; };
+        System.out.println(q);
+    }
+}