import java.util.concurrent.StructuredTaskScope;

/** The JDK 21-24 API that older tutorials still show. It is not in 25 or later. */
public class ShutdownOnFailure {
    public static void main(String[] args) throws Exception {
        try (var scope = new StructuredTaskScope.ShutdownOnFailure()) {
            var user = scope.fork(() -> "Alice");
            scope.join().throwIfFailed();
            System.out.println(user.get());
        }
    }
}