package com.leadingsoft;

public abstract class PlayC {

?public abstract void player();

?abstract int getNum();

}

package com.leadingsoft;

import java.util.Random;

public class Computer extends PlayC {
?int re = 0;

?@Override
?public int getNum() {
??Random r = new Random();
??re = r.nextInt(3) + 1;
??return re;// TODO Auto-generated method stub

?}

?@Override
?public void player() {

??if (re == 1) {
???System.out.println("剪刀");// TODO Auto-generated method stub
??} else if (re == 2) {
???System.out.println("石頭");
??} else {
???System.out.println("布");
??}

?}

}

package com.leadingsoft;

import java.util.Scanner;

public class People extends PlayC {
?int num = 0;

?@Override
?public void player() {
??System.out.println("請輸入號碼：");
??Scanner input = new Scanner(System.in);
??this.num = input.nextInt();

??switch (num) {
??case 1:
???System.out.println("剪刀");
???break;
??case 2:
???System.out.println("石頭");
???break;
??case 3:
???System.out.println("布");
???break;
??}

?}

?@Override
?public int getNum() {
??return num;
?}
}

package com.leadingsoft;

public class Zhu {

?public static void main(String[] args) {

??People po = new People();
??int p = po.getNum();
??po.player();

??Computer co = new Computer();
??int c = co.getNum();
??co.player();

??if (p == c) {
???System.out.println("平局");
??} else if ((c - p == 1) || (c - p == -2)) {
???System.out.println("電腦贏了");
??} else {
???System.out.println("你贏了！！");// TODO Auto-generated method stub
??}

?}