public static void sjb(String in){    String[] out = new String[]{"石头", "剪刀", "布"};    int me = in.equals("石头")? 1 : in.equals("剪刀")? 2: in.equals("布")? 3: 0;    int computer = new Random().nextInt(3)+1;    boolean win = me < computer;    switch (Math.abs(me-computer)) {        case 0:            System.out.println(String.format("两人都出的%s打成平局", in));            return;        case 2:            win = !win;            break;        case 3:            System.out.println("你犯规了，电脑胜利！");            return;    }    System.out.println(String.format("你出了\"%s\"，电脑出了\"%s\"，你%s了这次比赛！", in, out[computer-1], win?"赢得":"输"));}

类.sjb("布");//类似这样调用