What das overloading of operators mean?

Answer 1

Function overloading allows to create multiple functions with the same name, so long as they have different parameters.and is like making two sum function but one takes 2 integers and the other one takes 2 doubles.

Answer 2

Yes if you enter an ineger it will use the int. function and the same thing for double or any data type

Answer 3

so C++ knows which one of the several functions to choose according to the input