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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+import java.util.concurrent.StructuredTaskScope;
+
+/**
+ * The same "first result wins" example as StructuredHub, with the factory method under its Java 26 / 27 name:
+ * anySuccessfulResultOrThrow() (25) became anySuccessfulOrThrow() (26 and 27). Still a preview API.
+ * Chapter: docs/14-lanes-21-to-25.md
+ */
+public class StructuredHubNew {
+    static String firstSuccess() throws Exception {
+        try (var scope = StructuredTaskScope.open(StructuredTaskScope.Joiner.<String>anySuccessfulOrThrow())) {
+            scope.fork(() -> { Thread.sleep(200); return "slow"; });
+            scope.fork(() -> "fast");
+            return scope.join();
+        }
+    }
+
+    public static void main(String[] args) throws Exception {
+        System.out.println("java.version = " + System.getProperty("java.version"));
+        Check.that(firstSuccess().equals("fast"), "anySuccessfulOrThrow(): the first result wins");
+    }
+}