package Q17_01_Add_Without_Plus;
public class QuestionA {
public static int add(int a, int b) {
if (b == 0) return a;
int sum = a ^ b; // add without carrying
int carry = (a & b) << 1; // carry, but don�t add
return add(sum, carry); // recurse
}
public static void main(String[] args) {
int a = Integer.MAX_VALUE - 50;
int b = 92;
int sum = add(a, b);
int intendedSum = a + b;
if (sum != intendedSum) {
System.out.println("ERROR");
} else {
System.out.println("SUCCESS");
}
System.out.println(a + " + " + b + " = " + sum + " vs " + intendedSum);
}
}