文章目录
题目
设计一个猜拳游戏，完成人机猜拳互动游戏的开发。
功能：
- 选取对战角色
- 猜拳
- 记录分数
第一种写法(面向对象)
题目分析
- 共需要6个类
- 自定义类:Player玩家类 Computer电脑类 Judge裁判类 Test测试类
- 导入类:Scanner类 Random类
代码展示
Player类
public class Player {
private int score;
private String name;
private String[] quan = {
" ","剪刀","石头","布"};
//出拳的方法
public String chuQuan(int index){
return quan[index];
}
//name和score的Getter and Setter
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getScore() {
return score;
}
public void setScore(int score) {
this.score = score;
}
public String[] getQuan() {
return quan;
}
public void setQuan(String[] quan) {
this.quan = quan;
}
}
Computer类
import java.util.Random;
public class Computer {
//电脑名字
private String name;
//电脑分数
private int score;
//角色数组
private String[] roles = {
" ","刘备","孙权","曹操"};
//出拳数组
private String[] quan = {
" ","剪刀","石头","布"};
Random r = new Random();
//出拳的方法
public String chuQuan(){
return quan[r.nextInt(3)+1];
}
//获取角色的方法
public String getRole(int index){
return roles[index];
}
//name,score,roles的Getter and Setter
public int getScore() {
return score;
}
public void setScore(int score) {
this.score = score;
}
public String[] getRoles() {
return roles;
}
public void setRoles(String[] roles) {
this.roles = roles;
}
public String[] getQuan() {
return quan;
}
public void setQuan(String[] quan) {
this.quan = quan;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
Judge类
public class Judge {
//结果数组
private String[] result = {
"^_^平手,继续努力","^_^恭喜你,你赢了!","^_^你输了,真笨!"};
//判断的方法
public int judge(String player,String computer) {
if (computer.equals("剪刀")) {
switch (player) {
case "剪刀":
return 0;
case "石头":
return 1;
case "布":
return 2;
default:
System.out.println("输入错误");
}
} if(computer.equals("石头")){
switch (player) {
case "剪刀":
return 2;
case "石头":
return 0;
case "布":
return 1;
default:
System.out.println("输入错误");
}
}if (computer.equals("布")){
switch (player) {
case "剪刀":
return 1;
case "石头":
return 2;
case "布":
return 0;
default:
System.out.println("输入错误");
}
}
return 0 ;
}
//判断得到结果的方法
public String getResult(int index){
return result[index];
}
//得分的方法
public void getScore(Player player,Computer computer,int index){
if(index == 1) {
player.setScore(player.getScore()+1);
}
if(index == 2){
computer.setScore(computer.getScore()+1);
}
}
//谁赢的方法
public void victory(Player player,Computer computer){
if(player.getScore() == computer.getScore()){
System.out.println(result[0]);
}
if(player.getScore() > computer.getScore()){
System.out.println(result[1]);
}
if(player.getScore() < computer.getScore()){
System.out.println(result[2]);
}
}
}
Test类
import java.util.Scanner;
public class Test {
public static void main(String[] args) {
//创建电脑对象
Computer computer = new Computer();
//创建玩家对象
Player player = new Player();
//创建裁判对象
Judge judge = new Judge();
//对战次数初始化
int times = 0;
//调用Scanner类
Scanner sc = new Scanner(System.in);
System.out.println("*******************");
System.out.println("**猜拳游戏 马上开始**");
System.out.println("*******************");
System.out.println("出拳规则:1.剪刀 2.石头 3.布");
System.out.print("请选择对方角色(1:刘备 2:孙权 3:曹操)");
//选择电脑的角色,输入1 2 或3 如果输入错误 可以重新输入
while (true) {
int index1 = sc.nextInt();
if (index1<4 && index1>0) {
computer.setName(computer.getRole(index1));
break;
} else {
System.out.println("输入的数字不正确,请重试");
}
}
//输入自己的姓名
System.out.print("请输入你的姓名");
player.setName(sc.next());
System.out.println(player.getName() + " vs " + computer.getName() + "对战开始");
System.out.print("要开始吗？输入y/n");
while (true) {
String gameStart = sc.next();
if (gameStart.equals("y") || gameStart.equals("Y")) {
times ++;
System.out.println("对战次数" + times);
System.out.println("请出拳:1.剪刀 2.石头 3.布");
int index2 = sc.nextInt();
System.out.println("你出:"+player.chuQuan(index2));
String computerQuan = computer.chuQuan();
System.out.println(computer.getName()+"出"+computerQuan);
//判断结果的方法
int judge1 = judge.judge(player.chuQuan(index2), computerQuan);
//得到结果的方法
System.out.println(judge.getResult(judge1));
//得分的方法
judge.getScore(player,computer,judge1);
//显示姓名和得分
System.out.println("姓名 得分");
System.out.println(player.getName()+" " +player.getScore());
System.out.println(computer.getName()+" "+computer.getScore());
System.out.println("是否开始下一轮(y/n)?");
}else if(gameStart.equals("n") || gameStart.equals("N")){
break;
}else {
System.out.println("输入错误,请重试");
}
}
if(times == 0){
System.out.println("连挑战我的勇气都没有吗？");
}else {
//根据总分，判断谁胜利
judge.victory(player,computer);}
System.out.println("游戏结束");
}
}
程序运行结果
第二种写法(面向过程)
题目分析
- 共需要5个类
- 自定义类:Player玩家类 Computer电脑类 Test测试类
- 导入类:Scanner类 Random类
代码展示
Player类
public class Player {
//玩家名字
private String name;
//玩家得分
private int score;
//无参构造方法
public Player() {
}
public int getScore() {
return score;
}
public void setScore(int score) {
this.score = score;
}
public Player(String name) {
this.name = name;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
Computer类
public class Computer {
//电脑名字
private String name;
//电脑得分
private int score;
public Computer(String name) {
this.name = name;
}
public Computer() {
}
public int getScore() {
return score;
}
public void setScore(int score) {
this.score = score;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
Test类
import java.util.Random;
import java.util.Scanner;
public class Test {
//猜拳游戏
public static void fingerGuessingGame(int select,int selectOfComputer,Player player,Computer computer){
//包含了玩家和电脑都是1 玩家和电脑都是2 玩家和电脑都是3
boolean b1 = (select == selectOfComputer);//平手
boolean b2 = (select ==2 && selectOfComputer ==1);//玩家石头 电脑剪刀
boolean b3 = (select ==3 && selectOfComputer ==2);//玩家布 电脑石头
boolean b4 = (select ==1 && selectOfComputer ==3);//玩家剪刀 电脑布
if(b1){
System.out.println("双方平手");
}else if(b2 || b3 || b4){
System.out.println("没想到你还挺厉害的");
player.setScore(player.getScore()+1);
}else{
System.out.println("你输了,你真笨");
computer.setScore(computer.getScore()+1);
}
}
public static void main(String[] args) {
//对战次数
int times = 0;
//创建玩家对象
Player player = new Player();
//创建电脑对象
Computer computer = new Computer();
//Scanner类
Scanner sc = new Scanner(System.in);
//Random类
Random random = new Random();
System.out.println("*******************");
System.out.println("**猜拳游戏 马上开始**");
System.out.println("*******************");
System.out.println("出拳规则:1.剪刀 2.石头 3.布");
System.out.print("请选择对方角色(1:刘备 2:孙权 3:曹操)");
loop1:while (true) {
//获取选择的对方角色数字(1,2或3)
int computerName = sc.nextInt();
switch (computerName) {
case 1:
computer.setName("刘备");
break loop1;
case 2:
computer.setName("孙权");
break loop1;
case 3:
computer.setName("曹操");
break loop1;
default:
System.out.println("你输入的数字不正确,请重试");
break;
}
}
System.out.print("请输入你的姓名");
player.setName(sc.next());
System.out.println(player.getName() + " vs "+computer.getName() +"对战开始");
System.out.print("要开始吗？输入y/n");
loop2:while(true) {
String gameStart = sc.next();
if(gameStart.equals("y") || gameStart.equals("Y") ){
System.out.println("对战次数"+times);
System.out.println("请出拳:1.剪刀 2.石头 3.布");
int select = sc.nextInt();
switch (select){
case 1:
System.out.println("你出剪刀");break;
case 2:
System.out.println("你出石头");;break;
case 3:
System.out.println("你出布");break;
default:
System.out.println("你输入的数字错误,请重试");
}
//random类的nextInt方法是左开右闭区间
int selectOfComputer = random.nextInt(3)+1;
switch (selectOfComputer){
case 1:
System.out.println(computer.getName()+"出剪刀");break;
case 2:
System.out.println(computer.getName()+"出石头");;break;
default:
System.out.println(computer.getName()+"出布");break;
}
fingerGuessingGame(select,selectOfComputer,player,computer);
times++;
System.out.println("姓名 得分");
System.out.println(player.getName()+" " +player.getScore());
System.out.println(computer.getName()+" "+computer.getScore());
System.out.println("是否开始下一轮(y/n)?");
}else if(gameStart.equals("n") || gameStart.equals("N")){
break loop2;
}
}
if(times == 0){
System.out.println("连挑战我的勇气都没有吗？");
}
else if(player.getScore() == computer.getScore()) {
System.out.println("竟然是平手，看来小瞧你了");
}else if(player.getScore() < computer.getScore()){
System.out.println("呵呵,下次加油啊");
}else{
System.out.println("败给你了,我以后不会再放水了");
}
}
}
程序运行结果
