import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
public class ConcurrentExample {
public static void main(String[] args) {
ExecutorService executorService = Executors.newFixedThreadPool(5);
Future<Integer> future = executorService.submit(() -> {
Thread.sleep(2000);
return 42;
});
try {
int result = future.get();
} catch (Exception e) {
e.printStackTrace();
}
executorService.shutdown();
}
}
