多线程总结

package edu.wtbu;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

public class Demo04 {
    public static void main(String[] args) {
        new MyThread1().start();

        new Thread(new MyThread2()).start();

        FutureTask<Integer> futureTask = new FutureTask<Integer>(new MyThread3());
        new Thread(futureTask).start();

        try {
            Integer integer=futureTask.get();
            System.out.println(integer);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        } catch (ExecutionException e) {
            throw new RuntimeException(e);
        }
    }
}

class MyThread1 extends Thread{
    @Override
    public void run() {
        System.out.println("MyThread1");
    }
}

class  MyThread2 implements Runnable{
    @Override
    public void run() {
        System.out.println("MyThread2");
    }
}

class  MyThread3 implements Callable {

    @Override
    public Integer call() throws Exception {
        System.out.println("MyThread3");
       return 10;
    }
}