Square of Sums and Sum of Squares

DifferenceBetweenSquares.java

public class DifferenceOfSquares
{
  public static void main(String[] args)
  {
    long sumOfSquares = 0;
    long squareOfSums = 0;
    long difference = 0;
    
    for (long i = 1; i <= 100; i++){
      sumOfSquares += i * i;
      squareOfSums += i;
    }
    
    squareOfSums = squareOfSums * squareOfSums;
    difference = squareOfSums - sumOfSquares;
    
    System.out.print("difference is: " + difference );
  }
}

/*output:

difference is: 25164150

*/