水仙花数JAVA

public class Prog3{
  public static void main(String[] args){
    for(int i=100;i<1000;i++){
      if(isLotus(i))
         System.out.print(i+" ");
    }
    System.out.println();
  }
  //判断水仙花数
  private static boolean isLotus(int lotus){
    int m = 0;
    int n = lotus;
    int sum = 0;
    m = n/100;
    n  -= m*100;
    sum = m*m*m;
    m = n/10;
    n -= m*10;
    sum += m*m*m + n*n*n;
    if(sum==lotus)
      return true;
    else
      return false;
    }
}