classes

[saisr8]

please define the following and give suitable examples

(i)Abstract class

(ii)Virtual base class.

(iii)Containership

[coder777]

Read this:

http://www.cplusplus.com/doc/tutorial/classes/
http://en.cppreference.com/w/cpp/language/class
http://en.cppreference.com/w/cpp/language/derived_class