JAVA判断水仙花数

import java.util.Scanner;

public class Bug12 {

@SuppressWarnings("resource")

public static void main(String[] args) {

// TODO Auto-generated method stub

System.out.println("请输入一个数！");

int num1;// 百位

int num2;// 十位

int num3;// 个位

int num4;

Scanner sc = new Scanner(System.in);

num4 = sc.nextInt();

if ((num4 >= 100) && (num4 <= 999)) {

num1 = num4 / 100;

num2 = num4 % 100 / 10;

num3 = num4 % 100 % 10;

System.out.println(num4 + "-" + num1 + "-" + num2 + "-" + num3);

if (num1 * num1 * num1 * +num2 * num2 * num2 + num3 * num3 * num3 == num4) {

System.out.println("水仙花数");

} else {

System.out.println("不是水仙花数");

}

} else {

System.out.println("不是三位数");

}

}

}