Constant Data Members and Objects

In this tutorial you will learn: 1. What are Constant Data Members? 2. What are Constant Objects? 3. Why to use Constant Data Members and Objects? 4. How to use Constant Data Members and Objects? 5. C++ syntax What are Constant Data Members? The data members that are once initialized and can never be changed are called constant member functions. Constant member functions are just like normal data members, only ‘const’ key word is added before writing the data type of the data member of the class.

Static Data Members

In this tutorial you will learn: 1. What are Static Data Members? 2. Why to use Static Data Members? 3. How to use Static Data Members in program? 4. Basic C++ syntax What are Static Data Members? Static members are those data members that retain their value , whenever the static member is reused in the program. Static data members store the latest value in them so that the value will be used for next time when the function that makes use of static data member is called.

Returning Objects from Function in C++ In this tutorial you will learn: 1. How to pass an object in a function argument 2. How to return an object from a function 3. How to write functions outside class 4. Basic C++ syntax In C++ when we need to return a variable from a function we have to write its return type before the name of function and arguments.