Addition without using arithmetic(+) operator

public class Addition {

       public int sum(int a, int b) {

              while (b != 0) {

                     int carry = a & b;

                     a = a ^ b;

                     b = carry << 1;

              }

              return a;

       }

      

       public static void main(String[] args) {

              Addition a = new Addition();

              int sum = a.sum(7, 10);

              System.out.println("Sum : " + sum);

       }

}