ZCW-SumOfInput-BlueJ/Main.java

/**
 * Created by Thuy Khong.
 */

import java.util.Scanner;
public class Main {
        
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        System.out.println("Please enter a number.");
        int number = scan.nextInt();
        int sum = 0;
        
        for (int i = 0; i<= number; i++) {
            sum = sum + i;
        }
        System.out.println("The sum of the numbers 1 to " + number + " is " + sum);
    }         
    }