Structure of cpp program, C/C++ Programming

Structure of C++ Program:

Chronological order of C++ program.

1.   Class declaration

2.   Main function program

3.   Member functions definitions

4.   Include header files

C++ program are stored in three files.   File header in one file, Class declaration and member function in another file, and the main function program in the third file.   The Class declaration and member function file is stored in server and the main function program in the client.   This client-server set up will enable several clients to use the same class to work on various modules or program.

Some header files:

Some of header files in C++ are; cctye, cfloat, climits, cmath, cstdio, cstdlib, cstring,

iostream, iomanip, bitset, list, stack, queue, deque, vector, map, utility, memory, string, sstream, set, locale, limits, typeinfo, iterator, functional, etc.

A simple program: Example 1:

#include

int main( )

{cout << "My first C++ program.\n";

return 0;

}

Example 2:

#include

int main( )

{float num1, num2,sum,avg;

cout << "Enter two number with space between numbers.\n";

cin >> num1>> num2;//each variable should have separate extraction operator

sum = num1 + num2;

avg = sum/2;

//each variable should have separate inseration operator sum, avg is invalid cout << "The sum is" << sum << "\n";

cout << "The average is" << avg << "\n";

return 0;

}

These simple C++ programs it may look similar to C with small changes, without of printf and scanf in C here cout and cin are used with << and >> insertion operator.  Remember when a function has a return type it should have a return value since main function has a return type of integer the function return 0 at the end of the program to indicate the end.  Just like C the C++ statement must end with semicolon and it must have only one main function. Remember <<, and

>> operators are also used as bit-wise left shift and right shift operators, thus the process of using same operator for different purpose is known Operator Overloading.   Operator overloading is another example for polymorphism.

Posted Date: 9/20/2012 7:26:24 AM | Location : United States







Related Discussions:- Structure of cpp program, Assignment Help, Ask Question on Structure of cpp program, Get Answer, Expert's Help, Structure of cpp program Discussions

Write discussion on Structure of cpp program
Your posts are moderated
Related Questions
Talking to IO boards inside a computer or microcontroller depends upon the principles used by the microprocessor to address physical devices. On Motorola systems all devices connec

I started preparing an alternative cryptocurrency and I am way over my head. I would like help in making modifications to the open source files and then help with deployment. I wil

A conversion constructor declared with the explicit keyword. The compiler does not use an explicit constructor to execute an implied conversion of types. Its purpose is reserved ex


Pure Virtual Functions An abstract class is one, which is used just for deriving some other classes. No object of this class is declared and used in the program. Likewise, ther

real time application of b tree

Explain the Bitwise-Inclusive-OR Operator: |? The bitwise-inclusive-OR operator (|) contrast each bit of its first operand to the corresponding bit of its second operand and if

Project Description: Seeking a Voting Bot Script / Program Skills required are ASP, Javascript, C Programming, PHP, Software Architecture


Rule: To determine the canonical form we should OR the min terms. A min term is defined as a Boolean equation of the input if the output is logic '1'. If the input is logic '1'