Bit Manipulation — XOR

How do I get zero for two same parameters?
example: x ^ x = 0;

Truth table of XOR

How do I get new different value for xor of two parameters?
example:
2 ^ 3 = 1; 2 ^ 5 = 7; 2 ^ 10 = 8;

Answer:

The XOR is done based on the truth table