Online Java Compiler

public class JavaTester { public static int difference(int n){ //sum of squares of n natural numbers int sumSquareN = (n * (n + 1) * (2 * n + 1)) / 6; //sum of n natural numbers int sumN = (n * (n + 1)) / 2; //square of sum of n natural numbers int squareSumN = sumN * sumN; //difference return Math.abs(sumSquareN - squareSumN); } public static void main(String args[]){ int n = 3; System.out.println("Number: " + n); System.out.println("Difference: " + difference(n)); } }