Bitwise operation

How are simple operations like adding and subtraction represented using only bitwise operators such as &, |, ^, >>, ~, and <<?

Also, do each of the bitwise operators perform at the same rate, or are some faster than others?

>>10
Consult Google for explanations on how to use Google effectively.
Also, who the fuck cares if you got ``retarded java shit''? Jaev's bitwise operators are exactly the same as C's.