猜拳小游戏
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今天我们来编写一款猜拳小游戏
分析:要求键入剪刀,石头,布,用数字分别代表剪刀,石头,布。?
java中有一个Math.random();可以生成【0,1)之间的随机数,所以说这里用1,2,3代表剪刀,石头,布。 而电脑随机生成其中一个数字与用户输入的数字比较,当输入错误的时候会提示输入错误,请重新输入。
?每次猜拳有三种可能性,如果电脑赢,电脑积分+10,人的积分不变;
如果人赢,人积分+10,电脑积分不变;
如果打成平手,积分不变。
需要分别定义两个变量接收积分的变化。
最后要将这两个变量的?值做比较。
?
?import java.util.Scanner;
public class Problem8 {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
System.out.println("欢迎来到猜拳小游戏");
System.out.println("======================================");
System.out.print("请输入游戏回合数:");
int num = scan.nextInt();
int scoreHuman = 0;
int scoreComputer = 0;
int i = 1;
for (; i <= num; i++) {
// System.out.println("======================================");
// System.out.println("第" + i + "回合,你的积分:" + scoreHuman + ",电脑的积分:"
// + scoreComputer);
//
// System.out.println("======================================");
// System.out.print("出拳(1:剪刀,2:石头,3:布):");
humanFightWithComputer(i, scoreHuman, scoreComputer);// 代替上部分代码功能
while (num > 0) {
int outFist = scan.nextInt();
int computerOutFist = (int) (Math.random() * 3 + 1);
if (outFist == 1 || outFist == 2 || outFist == 3) {
if (computerOutFist == 1 && outFist == 1) {
System.out.println("你:剪刀");
System.out.println("电脑:剪刀");
System.out.println("平均,积分不变");
scoreHuman += 0;
scoreComputer += 0;
break;
} else if (computerOutFist == 2 && outFist == 1) {
System.out.println("你:剪刀");
System.out.println("电脑:石头");
System.out.println("电脑赢,积分+10");
scoreHuman += 0;
scoreComputer += 10;
break;
} else if (computerOutFist == 3 && outFist == 1) {
System.out.println("你:剪刀");
System.out.println("电脑:布");
System.out.println("你赢,积分+10");
scoreHuman += 10;
scoreComputer += 0;
break;
} else if (computerOutFist == 1 && outFist == 2) {
System.out.println("你:石头");
System.out.println("电脑:剪刀");
System.out.println("你赢,积分+10");
scoreHuman += 10;
scoreComputer += 0;
break;
} else if (computerOutFist == 2 && outFist == 2) {
System.out.println("你:石头");
System.out.println("电脑:石头");
System.out.println("平局,积分不变");
scoreHuman += 0;
scoreComputer += 0;
break;
} else if (computerOutFist == 3 && outFist == 2) {
System.out.println("你:石头");
System.out.println("电脑:布");
System.out.println("电脑赢,积分+10");
scoreHuman += 0;
scoreComputer += 10;
break;
} else if (computerOutFist == 1 && outFist == 3) {
System.out.println("你:布");
System.out.println("电脑:剪刀");
System.out.println("电脑赢,积分+10");
scoreHuman += 0;
scoreComputer += 10;
break;
} else if (computerOutFist == 2 && outFist == 3) {
System.out.println("你:布");
System.out.println("电脑:石头");
System.out.println("你赢,积分+10");
scoreHuman += 10;
scoreComputer += 0;
break;
} else if (computerOutFist == 3 && outFist == 3) {
System.out.println("你:布");
System.out.println("电脑:布");
System.out.println("平局,积分不变");
scoreHuman += 0;
scoreComputer += 0;
break;
}
break;
} else {
System.out.println("出拳错误,请重新出拳");
}
}
// if(scoreHuman>scoreComputer){
// System.out.println("======================================");
// System.out.println("大获全胜!你的积分:"+scoreHuman+",电脑积分:"+scoreComputer);
// System.out.println("======================================");
//
// }else if(scoreHuman==scoreComputer){
// System.out.println("======================================");
// System.out.println("棋逢对手!你的积分:"+scoreHuman+",电脑积分:"+scoreComputer);
// System.out.println("======================================");
// }else{
// System.out.println("======================================");
// System.out.println("不幸败北!你的积分:"+scoreHuman+",电脑积分:"+scoreComputer);
// System.out.println("======================================");
// }
}
whoWin(scoreHuman, scoreComputer);//代替上部分代码功能
}
public static void humanFightWithComputer(int i, int scoreHuman,
int scoreComputer) {
System.out.println("======================================");
System.out.println("第" + i + "回合,你的积分:" + scoreHuman + ",电脑的积分:"
+ scoreComputer);
System.out.println("======================================");
System.out.print("出拳(1:剪刀,2:石头,3:布):");
}
public static void whoWin(int scoreHuman, int scoreComputer) {
if (scoreHuman > scoreComputer) {
System.out.println("======================================");
System.out.println("大获全胜!你的积分:" + scoreHuman + ",电脑积分:"
+ scoreComputer);
System.out.println("======================================");
} else if (scoreHuman == scoreComputer) {
System.out.println("======================================");
System.out.println("棋逢对手!你的积分:" + scoreHuman + ",电脑积分:"
+ scoreComputer);
System.out.println("======================================");
} else {
System.out.println("======================================");
System.out.println("不幸败北!你的积分:" + scoreHuman + ",电脑积分:"
+ scoreComputer);
System.out.println("======================================");
}
}
}
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