join当前线程等待指定的线程结束后才能继续运行

模拟一个QQ游戏大厅斗地主

/**sleep(休眠、睡眠)
join当前线程等待指定的线程结束后才能继续运行 */
class Player extends Thread{
private String name;
private int time;public Player(String name, int time) {
this.name = name;
this.time = time;
}public void run() {
System.out.println(name+"准备进入游戏大厅");
try {
Thread.sleep(time);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
System.out.println(name+"已就绪，耗时"+time);
}}
public class Demo13 {
public static void main(String[] args) {
Player p1=new Player("地主",1800);
Player p2=new Player("农民1",2000);
Player p3=new Player("农民2",1500);
p1.start();
p2.start();
p3.start();try {
p1.join(); //主线程等待p1结束
p2.join(); //主线程等待p2结束
p3.join(); //主线程等待p3结束
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}System.out.println("开始游戏");
}
}