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. Constant data members allow the compiler to optimize