Interview Question

1) What is a class? 

 Ans-Class is a blue print  which reflects the 

         entities attributes and actions. class is 

         designing an user defined data type.

2)What is an object?

Ans- Object is instance of the class and also 

          called as blueprint of class.

3)What is inheritance?

Ans-  Inheritance is the process of access the 

          properties of the exiting class into the 

          new class. The existing class is called as 

          parent class and the inherited class is 

          called as derived/child class.

Type - Single, Multilevel, Multiple, 

            Hierarchical and Hybrid.

4)What is an abstract class in C++?

Ans- abstract class is class which is not created for  object 

          and it have one pure virtual function.

5)What is function overloading and 

    operator overloading?

Ans- In function overloading  functions with the same 

         name with different parameters is called as function 

         overloading. operator overloading a new work for the 

         existing operator w.r.t the class objects is called as 

        operator overloading.