编写命令行程序模拟游戏组队:
①每隔1秒有一个玩家进入,并随机加入A或B队。
②当A、B队人数均达到4人时,倒计时5秒,然后开始游戏。
实现代码:
public class Join {
public static void main(String[] args) {
String[] s = {"王一","小二","张三", "李四", "王五", "赵六", "小七", "老八"};
Player p = new Player(s);
Thread A = new Thread(p);
Thread B = new Thread(p);
A.setName("A");
B.setName("B");
A.start();
B.start();
while(A.isAlive() || B.isAlive()){
}
System.out.println("各个队伍人员已满,5s后开始游戏!");
}
}
class Player implements Runnable {
private String[] player;
static int index = 0;
public Player(String[] player){
this.player = player;
}
@Override
public void run() {
int cnt = 0;
while (cnt < 4) {
synchronized (Player.class) {
try {
Thread.sleep(100);
cnt++;
System.out.println(player[index++] + "加入" + Thread.currentThread().getName() + "组");
if (cnt == 4)
System.out.println(Thread.currentThread().getName() + "组准备就绪");
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
}
}
输出结果:
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