basic concept of cpp

 introduction of cpp.

·       Cpp programming language is developed by Bjarne stroustrup in the early 1980 at Bell Laboratories.

·       Cpp is one type of object oriented language.

·       It’s in used class is concept of structure these have first of all these called clss with c.

·       Cpp extent ion denoted improvement in c.

Give the basic concept of cpp. 

Object

·         To combine both data and function in single unite is called object

·         Object are basic runtime entities.

·         Syntax

   Class name  object name;

Class

·         Class is an expanded concept of data structure, it can hold both data and function.

·         Class classname.

Data abstraction

·         Classes use the concept of abstraction and are defined list of abstract attributes(data).

Data encapsulation

·         both data and function in single unit is called data encapsulation .

inheritance      

·         code reusability is called inheritance.

Polymorphism

·         ability to take more than one form is called polymorphism

dynamic binding

·         it is also called dad binding

·         it is run time polymorphism

message passing 

·         object communicate with each other by sending or receiving message. 

What is the disadvantages of c ?

·         In c not provide security

·         We not easily find out which data used by which function

·         Code length is more

·         Boolean data type not available.

·         Provide less functionality

·         Function have unrestricted access of global data