实现要求:
根据要求,代码实现如下:
import java.util.Random;
import java.util.Scanner;
public class Main {
public static void main(String[] args) {
// TODO Auto-generated method stub
Random rand = new Random();
Scanner scan = new Scanner(System.in);
System.out.println("请输入猜数范围:下限和上限");
System.out.println("猜数范围下限:");
int down = scan.nextInt();
System.out.println("猜数范围上限:");
int up = scan.nextInt();
int key = rand.nextInt(up-down+1)+down;
int num = 1;//猜数字的次数
//System.out.println(key);
while(true) {
System.out.print("请输入您猜的数字->");
int guess = scan.nextInt(); //要猜的数字
if(guess == key) {
System.out.println("第"+num+"次猜数为->"+guess+",恭喜你猜中!");
break;
}
else if(guess > key) {
System.out.println("第"+num+"次猜数"+guess+"大了!");
}
else {
System.out.println("第"+num+"次猜数"+guess+"小了!");
}
num++;
}
}
}