Add Without Plus

package hard;

public class AddWithoutPlus {

    public static void main(String[] args) {
        System.out.println(add(759, 674));
    }

    public static int add(int a, int b) {
        if (b == 0) return a;

        int sum = a ^ b;
        int carry = (a & b) << 1;

        return add(sum, carry);
    }
}

---

View on GitHub

Updated on 2021-02-03