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

Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01B38FGKKam5SCGgwgduVAh3
2026-09-21 15:08:50 +00:00
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+/**
+ * Compile-only probe: do Thread.suspend() and Thread.resume() still exist? Compiled by scripts/lanes.sh with each JDK's own javac.
+ * Chapter: docs/14-lanes-21-to-25.md
+ */
+public class ThreadSuspendGone {
+    @SuppressWarnings({"removal", "deprecation"})
+    static void probe(Thread t) {
+        t.suspend();
+        t.resume();
+    }
+}