多线程-t1,t2,t3顺序执行

public class MyThread extends Thread{

    private String name;

    public MyThread(String name){

        this.name = name;

    }

    public void run() {

        System.out.println("Thread " + name + " execute!");

    }

}

public class Main{

    public static void main(String[] args)throws InterruptedException{

        Thread t1 = new MyThread("t1");

        Thread t2 = new MyThread("t2");

        Thread t3 = new MyThread("t3");

        t1.start();

        t1.join();

        t2.start();

        t2.join();

        t3.start();

        t3.join();

    }

}