How to perform addition of 2 integers without using + operator.

Answer 1

https://www.sololearn.com/discuss/888610/?ref=app

Answer 2

which language? if Java you can use the Math class:

int x = 2;
int y = 6;

Math.addExact(x,y);

Answer 3

To find sum of A and B you can append A and B number of items to array which length is the sum.