源代码 StoneGame.java

1 import java.io.BufferedReader;
2 import java.io.IOException;
3 import java.io.InputStreamReader;
4 import java.util.Random;
5
6 public class StoneGame {
7 private static int playerScores = 0;
8 private static int computerScores = 0;
9 private static boolean playing = true;
10 private static String[] playerSkills = {"石头", "剪子", "布"};
11
12 public static void main(String[] args) {
13 BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
14 try {
15 System.out.println("输入:石头[1] 剪子[2] 布[3] 退出[4]");
16 while (playing) {
17 int playerSkill = Integer.parseInt(bufferedReader.readLine());
18 Random random = new Random();
19 int computerSkill = random.nextInt(3) + 1;
20 if (playerSkill == 4) {
21 System.out.println("Bye.");
22 playing = false;
23 break;
24 }
25 if (playerSkill > 0 && playerSkill < 4) {
26 System.out.println("玩家: " + playerSkills[playerSkill - 1]);
27 System.out.println("电脑: " + playerSkills[computerSkill - 1]);
28 compare(playerSkill, computerSkill);
29 System.out.println("玩家分数: " + playerScores + " " + "电脑分数: " + computerScores);
30 } else {
31 System.out.println("请重试.");
32 }
33 }
34 } catch (IOException e) {
35 e.printStackTrace();
36 } catch (NumberFormatException e) {
37 System.out.println("请输入正确的数字!");
38 }
39 }
40
41 private static void compare(int playerSkill, int computerSkill) {
42 if (playerSkill == computerSkill) {
43 System.out.println("平局.");
44 return;
45 }
46 if (playerSkill == 1) { // player skill is stone.
47 if (computerSkill == 2) {
48 System.out.println("玩家胜利.");
49 playerScores++;
50 } else {
51 System.out.println("电脑胜利.");
52 computerScores++;
53 }
54 }
55 if (playerSkill == 2) { // player skill is scissor.
56 if (computerSkill == 3) {
57 System.out.println("玩家胜利.");
58 playerScores++;
59 } else {
60 System.out.println("电脑胜利.");
61 computerScores++;
62 }
63 }
64
65 if (playerSkill == 3) { // player skill is cloth.
66 if (computerSkill == 1) {
67 System.out.println("玩家胜利.");
68 playerScores++;
69 } else {
70 System.out.println("电脑胜利.");
71 computerScores++;
72 }
73 }
74 }
75 }