Method getSum

java/0371-sum-of-two-integers.java:3–10

(int a, int b)

class Solution {

    public int getSum(int a, int b) {
        while (b != 0) {
            int tmp = (a & b) << 1;
            a = (a ^ b);
            b = tmp;
        }
        return a;
    }
}