JAVA练习题：输入一个三位数字，将其倒序组合输出
package com.chy.g2;
import java.util.Scanner;
public class Exercise1 {
public static void main(String[] args) {
// TODO Auto-generated method stub
int b, c, d = 0;
System.out.println("请输入数字：");
Scanner sc = new Scanner(System.in);
int num = sc.nextInt();
b = num / 100;
num %= 100;
c = num / 10;
num %= 10;
d = num / 1;
int result=d*100+c*10+b;
System.out.println("结果是"+result);
}
}