[JAVA] [ICSE 2006 Answer 4] Conditional Sum Finding

Question:

ICSE 2006 Question 4

Write a program to calculate and print the sum of odd numbers and the sum of even numbers for the first n natural numbers.

The integer n is to be entered by the user

Source Code:

public class ICSE2006_4

{

    public static void main(int n)throws Exception

    {

        int sumo=0, sume=0;

        for(int i=1; i<=n; i++)

            if(i%2==0)

                sume+=i;

            else

                sumo+=i;

        System.out.println("The sum of odd numbers is "+sumo+".\nThe sum of even numbers is "+sume+".");

    }

}

Result:

INPUT:

28

OUTPUT:

The sum of odd numbers is 196.

The sum of even numbers is 210.