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Wednesday, 07 June 2017 12:57

C++ Program

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Before starting the abcd of C++ language, you need to learn how to write, compile and run the first C++ program.

To write the first C++ program, open the C++ console and write the following code:

  1. #include <iostream.h>  
  2. #include<conio.h>  
  3. void main() {  
  4.    clrscr();  
  5.    cout << "Welcome to C++ Programming.";   
  6.    getch();  
  7. }  

#include<iostream.h> includes the standard input output library functions. It provides cin and cout methods for reading from input and writing to output respectively.

#include includes the console input output library functions. The getch() function is defined in conio.h file.

void main() The main() function is the entry point of every program in C++ language. The void keyword specifies that it returns no value.

cout << "Welcome to C++ Programming." is used to print the data "Welcome to C++ Programming." on the console.

getch() The getch() function asks for a single character. Until you press any key, it blocks the screen.

Cpp Program 1

How to compile and run the C++ program

There are 2 ways to compile and run the C++ program, by menu and by shortcut.

By menu

Now click on the compile menu then compile sub menu to compile the c++ program.

Then click on the run menu then run sub menu to run the c++ program.

By shortcut

Or, press ctrl+f9 keys compile and run the program directly.

You will see the following output on user screen.

Cpp Program 2

You can view the user screen any time by pressing the alt+f5 keys.

Now press Esc to return to the turbo c++ console.



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