java编写剪刀石头布游戏_java 剪刀石头布三局两胜

作者：小小林熬夜学编程 | 2024-02-10 01:03:43

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java 剪刀石头布三局两胜

ChoiceAnswer.java

public class ChoiceAnswer{

String texts[]={"石头","剪刀","布"};

int value; //【1】石头\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表示赢，返回-1表示输
*/
int compTo(ChoiceAnswer c){
if(value==c.value){
return 0;
}
if(value+1==c.value||(value==3&&c.value==1)){
return 1;
}
return -1;
}

}

Game.java

import java.util.Scanner;
public class Game{

void p(String s){
System.out.println(s);
}

void showWelcome(){
p("欢迎使用······");
p("请选择：【1】石头\t【2】剪刀\t【3】布");
}

ChoiceAnswer getUserChoice(){
Scanner sc = new Scanner(System.in);
int userChoice=Integer.parseInt(sc.nextLine());
while(userChoice<1||userChoice>3){
p("你输入的不正确！请重新输入！");
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,您和电脑均选择了："+userChoice.getText());
}
else if(result==1){
System.out.println("恭喜,您赢了！您选择了："+userChoice.getText()+"; 电脑选择了："+computerChoice.getText());
}
else{
System.out.println("对不起,您败了！您选择了："+userChoice.getText()+";电脑选择了："+computerChoice.getText());
}
}

void start(){
showWelcome();
ChoiceAnswer userChoice=getUserChoice();
ChoiceAnswer computerChoice=getComputerChoice();
showResult(userChoice,computerChoice);
}

public static void main(String a[]){
new Game().start();
}
}

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