What is meant by Abstract Classes in C++ ?

Answer 1

An Abstract class is a class that u have to Extend or Inherit by Other classes to make the Full utilization of the Class.

Answer 2

An Abstract class is a class that u have to Extend or Inherit by Other classes to make the Full utilization of the Class.

An Abstract Class will Contain one or more abstarct methods with are just declared but not defined in the same class.

Any class which will inherit this class can write itz own definition for the abstract method.

Answer 3

An abstract class is any class where not all the functions are implemented. Specifically, any class containing a function declaration with "= 0;" at the end of it, a la:
void ThisIsAnAbstractFunctions( int c ) = 0;

Any class that inherits this abstract class MUST implement an override of this function, or it cannot be instantiated.

Answer 4

Go here

http://en.wikipedia.org/wiki/Class_(computer_science)