Almost all of the tutorial regarding programming language starts with a Hello World program. What it basically do is to display the words "Hello World" on a display device.
Different language uses different syntax on achieving this program. Here are some of them (Jump to the language you wish to study):
C:
helloWorld.c
#include<stdio.h>
main()
{
printf("Hello World");
}
C++:
helloWorld.cpp
#include <iostream>
using namespace std;
main()
{
cout << "Hello World!";
return 0;
}
Javascript (Inline):
helloWorld.html
<script>
alert("Hello World!");
</script>
Javascript (External):
helloWorld.js
alert("Hello World!");
PHP:
helloWorld.php
<?php echo "Hello World!" ?>
Python:
helloWorld.py
print "Hello, World!"
Ruby:
helloWorld.rb
print "Hello, World!"