Thread: Help with my Range Finder programme

hi, i'm trying to write a programme that reads two integers, and outputs the sum of all even numbers between that range e.g 10 14 = 36 (10+12+14)

here is what i have so far, but i have messed up the calculation somewhere, any help would be greatly appreciated, thankyou

import java.util.Scanner;
 
public class Rangefinder {
 
     public static void main(String[] args) {
 
         Scanner scan = new Scanner(System.in);
 
        int num1, num2, min, max, amt = 0;
 
        System.out.println("Please enter two integers: ");
        num1 = scan.nextInt();
        num2 = scan.nextInt();
 
        min = Math.min(num1, num2);
        max = Math.max(num1, num2);
 
        for (int x = min; x <= max; x++) {
            amt = amt + x;
        }
        System.out.println(amt);
    }
}

You said you wanted to only add even numbers in the range. But you're actually adding all of the numbers in the range.

Put a print statement inside your loop so you know what's going on. Or better yet, step through the program with a debugger.

By the way, I've edited your post to include highlight tags. Next time you post code, make sure you use them. Nobody likes reading unformatted code.

Heh. First moderator action. Neat.