Bjarne Stroustrup first invented C++ in 1980 at Bell Laboratories as an expanded version of C called "C with Classes". C++ added object-oriented programming features like data abstraction, encapsulation, inheritance, and polymorphism to C. Some common applications of C++ include real-time systems, simulation/modeling, databases, AI/expert systems, and CAD/CAM systems. A basic C++ program structure includes include files, class declarations, member function definitions, and a main function.

1. Introduction to C++
09/04/131 VIT - SCSE
By
G.SasiKumar., M.Tech., (Ph.D).,
Assistant Professor
School of Computing Science and Engineering
VIT University

2. C++ is an expanded version of C.
Bjarne Stroutstrup first invented the C++ in 1980 at
Bell Laboratories.
He initially called as “C with Classes”.
However, in 1983 the name was changed to C++.
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3. Advantages of C++
Data abstraction
Data hiding
Data encapsulation
Inheritance
Polymorphism
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4. Applications of C++
Real time systems
Simulation and modeling
Object-oriented databases
AI and Expert Systems
Neural networks and parallel programming
CAD/CAM system
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5. Structure of C++ program
Include files
Class declaration
Member function definitions
Main function program
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6. First C++ Program
// hello.cpp: displaying Hello World message
#include<iostream.h> //preprocessor directive statement
void main() // function declarator
{ //function block open brace
cout<< “Welcome to C++"; // output statement
} //function block close brace
the output will be
Welcome to C++
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7. Comment Line
Preprocessor Directive
The preprocessor directive #include<iostream.h>
includes all the statements of the header file iostream.h.
 Function Declerator
void main()
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8. Compilation Process
Command – Line Compilation
tcc filename.cpp (in the case of Turbo C++)
bcc filename.cpp (in the case of Borland C++)
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9. Disadvantages of OOP
The run time cost of dynamic binding is the major
disadvantage
Compiler overhead
Runtime overhead
Requires the mastery over the following areas:
Software engineering
Programming methodologies
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10. Brain Storm
1. Discuss the features of Object oriented programming.
2. Differentiate OOP and POP.
3. Define: Encapsulation.
4. Define: Polymorphism.
5. List some of the advantages of OOP
6. What are the applications and advantages of C++?
7. Write a C++ program that prints the message " This is my
First CPP program".
09/04/1310 VIT - SCSE