ZCW-SumOfInput-BlueJ/Main.java

import java.util.*;
/**
 * Created by jaejoson
 */
public class Main {

    public static void main(String[] args){ 
       Scanner in = new Scanner(System.in); 
       System.out.println("Type in a number");
       double n = in.nextDouble();
       double sum = 0;
       
       while (n > 0) {
           sum = sum + n;
           n = n - 1;
        }
        
        System.out.println("Total sum of input is " + sum);
        
      
    }
}