Java程序打印100~999的水仙花数

public class ShuiXian{

       public static void main(String[] args) {
               for(int a=100;a<999;a++){
                    int b=a/100;
                   int c=a/10%10;
                   int d=a%10;
                   int j=b*b*b+c*c*c+d*d*d;
                   if(j==a){
                          System.out.println(j);
                   }
             }    
       }

}