public class euler1 { public static int euler1(final int n) { int sum = 0; for (int i = 0; i < n; i++) { if (((i % 3) == 0) || ((i % 5) == 0)) { sum += i; } } return sum; } public static void main(final String [] args) { System.out.println("Running"); System.out.println("-->" + euler1(1000)); } }