Sum of Array 3 numbers equals to given value java code

 public class TripletSum {

    public static void checkForSum(int arr[], int len, int sum) {
        for (int i = 0; i < len ; i++) {
            int left = i + 1;
            int right = len - 1;

            while (right > left) {

                if (arr[right] + arr[left] + arr[i] - sum == 0) {
                    System.out.println("Three indexes are:" + i + " "+ left + " "+ right);
                    break;
                }
                if (arr[right] + arr[left] + arr[i] - sum > 0)
                    right--;
                else
                    left++;
            }
        }
    }

    public static void main(String[] args) {
        int[] a = {5,2,1,1};

        checkForSum(a,4,6);
    }
}