This question is part of NeetCode150 series.
Problem Description
Given two integers a and b, return the sum of the two integers without using the operators + and -.
Solution

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