simple program using variable argument in function (Java) (202)

package com.company;

public class Program39 {
    static int sum(int ...arr)
    {
        int result=0;
        for (int a: arr)
        {
            result+=a;
        }
        return result;
    }
    public static void main(String[] args) {
        System.out.println(sum(4,5));
        System.out.println(sum(  3,4,5));
        System.out.println(sum(  4,3,2));
    }
}