public class Test {	public static void main(String[] args) {		MyThread myThread = new MyThread("m1");		myThread.start();   //产生分支,子线程开始执行				try{			myThread.join();//------等待合并myThread子线程,主线程才开始执行		} catch(InterruptedException e) {}				for(int i = 1; i <= 10; i++) {			System.out.println("I am main thread");		}	}}class MyThread extends Thread {	MyThread(String s) {//给线程起名字的构造方法		super(s);	}	public void run() {		for(int i = 0 ; i <= 10; i++) {			System.out.println("I'm " + getName());			try {				sleep(1000);			} catch(InterruptedException e) {				return;			}		}			}}