First Program in C++

Hello world program in C++ programming. In this tutorial, you can learn how to write the hello world program in C++ programming language using different ways.

Program Printing Hello World! in One Line

#include<iostream.h>
#include<conio.h>
void main()
{
cout<<"Hello World!"; //printing this line.
getch();
}

Program Printing Hello Word! in Two Lines

#include<iostream.h>
#include<conio.h>
void main()
{
cout<<"Hello \nWorld!"; //printing this word in 2 lines, '\n' used for New Line.
getch();
}

Program Printing Hello Word! in Two Lines Another Method

#include<iostream.h>
#include<conio.h>
void main()
{
cout<<"Hello"<<endl<<"World!"; //printing this word in 2 lines,
getch();                             //and 'endl' used for New Line'End Line'.
}

Program Printing Hello Word! in Two Lines Another Method

#include<iostream.h>
#include<conio.h>
void main()
{
cout<<"Hello"<<endl; //without 'endl' it printing in One Line.
cout<<"World!";
getch();
}