Loop Problem 2

 // Use this editor to write, compile and run your Java code 

public class HelloWorld {

public static void main(String[] args) {

    // Practice Problem 2

        int sum=0;

        int n=4;

        for(int i=0;i<n;i++){

            sum = sum + (2*i);

        }

        System.out.print("Sum of even numbers is: ");

        System.out.println(sum);

}

}