public void createPlayer() throws Exception {

System.out.println("------------------創建玩家---------------------");

int i=0;

while(i<2) {

System.out.println("請輸入第"+(i+1)+"個玩家的id：");

int id =dllx.nextInt();

Players p=player.get(id);

if(p==null) {

System.out.println("請輸入名字：");

String name =dllx.next();

Players newplayer= new Players(id,name);

player.put(id, newplayer);

i++;

} else {

System.out.println("你輸入的id已被占用，請重新輸入！");

continue;

}

}

System.out.println("***歡迎玩家***");

Set<Integer> key= player.keySet();

for (Integer integer : key) {

Players p = player.get(integer);

if(p!=null) {

System.out.println("玩家："+p.getName());

}

}

}