class MyThread extends Thread{

String name;

public MyThread(String name){

this.name = name;

}

@Override

public void run() {

for(int i = 0; i < 5; i++){

System.out.println("[" + Thread.currentThread().getId() + "]" + " " + name);

try {

Thread.sleep(100);

} catch (InterruptedException e) {

e.printStackTrace();

}

}

}

}

public class Main2 {

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

MyThread myThread = new MyThread("线程");

System.out.println("线程");

myThread.start();

myThread.join(); //等待myThread执行结束

System.out.println("END");

}

}