Armstrong

Armstrong.java

public class Armstrong {
  public static void main(String[] args) {
    for (int a = 0; a < 9; a++) {
      for (int b = 0; b < 9; b++) {
        for (int c = 0; c < 9; c++) {
          int n = a * 100 + b * 10 + c;
          int a3 = a * a * a;
          int b3 = b * b * b;
          int c3 = c * c * c;
          if (a3 + b3 + c3 == n) System.out.println(n);
        } // for
      } // for
    } // for
  } // main
} // Armstrong

Armstrong.scala

object Armstrong extends App{
  for (a <- 0 to 9; b <- 0 to 9; c <- 0 to 9) {
    val n = a * 100 + b * 10 + c
    val a3 = a * a * a
    val b3 = b * b * b
    val c3 = c * c * c
    if (a3 + b3 + c3 == n) println(n)
  } // for
} // Armstrong