Answer Posted / sejal

public class BitWiseOpsExample {

public static int add(int x, int y) {

int xor, and, temp;
and = x & y; /* Obtain the carry bits */
xor = x ^ y; /* resulting bits */

while(and != 0 ) /* stop when carry bits are gone */
{
and <<= 1; /* shifting the carry bits one space */
temp = xor ^ and; /* hold the new xor result bits*/
and &= xor; /* clear the previous carry bits and assign the
new carry bits */
xor = temp; /* resulting bits */
}
return xor; /* final result */
}


public static void main(String[] args) {
System.out.println("Add 4 + 7");
System.out.println(add(4,7));

System.out.println("Add 25 + 25");
System.out.println(add(25,25));

}

}

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