Untitled

public class Activity4_Pine {
     public static void main(String[] args) {

          int num = 1;
          int iteration = 10;
          int diff = 5;

          String sum = "", prod = "";
          int totalsum = 0;
          long totalprod = 1;
          for (int i = num; i <= iteration * diff; i += diff) {
               sum = sum + (sum != "" ? " + " + i : i);
               totalsum += i;
               prod = prod + (prod != "" ? " * " + i : i);
               totalprod *= i;
          }
          System.out.println("Sum: " + sum + " = " + totalsum);
          System.out.println("Product: " + prod + " = " + totalprod);

     }

}