What's the deal with operator overloading?

What are the benefits of operator overloading?

What are some examples of operator overloading?

Operator overloading is the ability to tell the compiler how to perform a certain operation when its corresponding operator is used on one or more variables.
You can redefine or overload the function of most built-in operators in C++. These operators can be overloaded globally or on a class-by-class basis. Overloaded operators are implemented as functions and can be member functions or global functions.For details on Overloading check this link
http://www.functionx.com/cpp/Lesson25.htm