猜字游戏程序

package cmo.ca;

import java.util.Random;

import java.util.Scanner;

public class Ca {

static Scanner sc = new Scanner(System.in);

public static void main(String[] args) {

Random random = new Random();

int r = random.nextInt(100);

System.out.println("***游戏开始***\n");

System.out.println("已生成一个随机数" );

System.out.println("范围在0-100,\n请输入您所认为的数字");

while (true) {

int a = sc.nextInt();

if (a >= 0 && a <= 100) {

if (a == r) {

System.out.println("恭喜您,猜对啦.随机数为:" + r);

System.out.println("是否继续游戏?1.是2.否");

while (true) {

int b = sc.nextInt();

if (b == 1) {

break;

}

else if (b == 2) {

System.out.println("游戏结束 :)");

System.exit(0);

}

else {

System.out.println("您的输入有误 请在1或2之间做出选择!");

}

}

break;

} else if (a >= r) {

System.out.println("抱歉,猜错啦.提示:大");

System.out.println("请重新输入");

} else if (a <= r) {

System.out.println("抱歉,猜错啦.提示:小");

System.out.println("请重新输入");

}

} else {

System.out.println("您的输入有误 请重新输入");

}

}

}

}