int p = 1; while (true){ System.out.println("玩家"+p+"出牌"); if (p == 1) { System.out.println("手牌:"+player1); System.out.println("请玩家1输入要出第几帐牌"); int n = new Scanner(System.in).nextInt(); System.out.println("玩家1出牌:"+player1.get(n-1)); player1.remove(n-1); p=1; } if (p == 2) { System.out.println("手牌:"+player2); System.out.println("请玩家2输入要出第几帐牌"); int n = new Scanner(System.in).nextInt(); System.out.println("玩家二出牌:"+player2.get(n-1)); player2.remove(n-1); p=2; } if (p == 3) { System.out.println("手牌:"+player3); System.out.println("请玩家3输入要出第几帐牌"); int n = new Scanner(System.in).nextInt(); System.out.println("玩家三出牌:"+player3.get(n-1)); player3.remove(n-1); p=3; }