What is Operator overloading ?

Operator overloading is one of the exciting features of C++.  All the built-in operator can be applied to basic data types (int, float, char). 

For example + operator could add two integers no. or two floats no. 

C++ provides the provision with + could be used to add two user-defined data types such as objects. So operator + can add basic data types as well user-defined data types. 

That’s how we can say operator + is overloaded. 

Operator overloading means that the operators:
Have multiple definitions that are distinguished by the types of their parameters, and
When the operator is used, the C++ compiler uses the types of the operands to determine which definition should be used.