sum-of-two-integers.java

// Given two integers a and b, return the sum of the two integers without using the operators + and -.
//
//  
// Example 1:
// Input: a = 1, b = 2
// Output: 3
// Example 2:
// Input: a = 2, b = 3
// Output: 5
//
//  
// Constraints:
//
//
// 	-1000 <= a, b <= 1000
//
//


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