java 线程池 带返回值

import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

public class E {
    public static void main(String[] args) {
        ExecutorService service = Executors.newFixedThreadPool(1);
        Future<String> submit = service.submit(() -> "sadasd");
        try {
            System.out.println(submit.get());
        } catch (InterruptedException e) {
            e.printStackTrace();
        } catch (ExecutionException e) {
            e.printStackTrace();
        }
        service.shutdown();
    }
}