Structure of a program

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In every programming language there are various statements which are known as tokens in C++. Using these tokens C++ programs are written .There are following things which will be present in every C++ Program:-

·         Header Files

·         Functions

·         Statements and Expressions

Header Files:-These are the pre written C++ Programs which will help you to write your C++ Program.

Functions:-These are the group of statements which are written in between curly braces {} with a specific name for specific task. We will Explain the functions in details in upcoming post.

Statements and expressions:- The statements are written in program to do some specific task ,when we combines them these become  expressions(Like maths expressions).

Here is a example of C++ Program:-

#include <iostream>

int main()

{

   using namespace std;

   cout << "Hello world!" << endl;

   return 0;

}

Header Files:-    In this program #include <iostream> is a header file.

Function:-In this program is a int main()function .It has statements for a specific task.

Statements and expressions:-The code written in between {} is the statements and Expressions.The statements are here:-

   using namespace std;

   cout << "Hello world!" << endl;

   return 0;

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