public class ChoiceAnswer {    String texts[] = { "石頭", "剪刀", "布" };    int value; // 【1】石頭/t【2】剪刀/t【3】布    String getText() {        return texts[value - 1];    }    ChoiceAnswer(int value) {        this.value = value;    }    /**     * 返回0表示平手，返回1表示贏，返回-1表示輸     */    int compTo(ChoiceAnswer c) {        if (value == c.value) {            return 0;        }        if (value + 1 == c.value || (value == 3 && c.value == 1)) {            return 1;        }        return -1;    }}

import java.util.Scanner;public class Game {    void p(String s) {        System.out.println(s);    }    void showWelcome() {        p("歡迎使用······");        p("請選擇：【1】石頭/t【2】剪刀/t【3】布");    }    @SuppressWarnings("resource")    ChoiceAnswer getUserChoice() {        Scanner sc = new Scanner(System.in);        int userChoice = Integer.parseInt(sc.nextLine());        while (userChoice < 1 || userChoice > 3) {            p("你輸入的不正確！請重新輸入！");            userChoice = Integer.parseInt(sc.nextLine());        }        return new ChoiceAnswer(userChoice);    }    ChoiceAnswer getComputerChoice() {        int computerChoice = (int) ((Math.random() * 3) + 1);        return new ChoiceAnswer(computerChoice);    }    void showResult(ChoiceAnswer userChoice, ChoiceAnswer computerChoice) {        int result = userChoice.compTo(computerChoice);        if (result == 0) {            System.out.println("平手,您和電腦均選擇了：" + userChoice.getText());        } else if (result == 1) {            System.out.println("恭喜,您贏了！您選擇了：" + userChoice.getText()                    + ";   電腦選擇了：" + computerChoice.getText());        } else {            System.out.println("對不起,您敗了！您選擇了：" + userChoice.getText()                    + ";電腦選擇了：" + computerChoice.getText());        }    }    void start() {        showWelcome();        ChoiceAnswer userChoice = getUserChoice();        ChoiceAnswer computerChoice = getComputerChoice();        showResult(userChoice, computerChoice);    }    public static void main(String a[]) {        System.out.println("VeVb武林網測試結果：");        new Game().start();    }}