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 14:47:46 +00:00
commit da55954922
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+/** Does nothing for a second. Exists only so a JVM has arguments, properties and environment for JFR to record. */
+public class Idle {
+    public static void main(String[] args) throws Exception {
+        Thread.sleep(1_000);
+    }
+}