Function overloading is a feature in C++ where two or more functions can have the same name but different type of parameters and different number of parameters.
Note: Overloading of functions with different return types are not allowed.
Operating overloading allows us to make operators to work for user defined classes. For example, we can overload an operator ‘+’ in a class like String so that we can concatenate two strings by just using +.
Other example classes where arithmetic operators may be overloaded are Complex Number, Fractional Number, Big Integer, etc.