A Hello world program is often referred to as the most basic program that you can create with a program language. It is also essential for a beginner programmer to learn how to create this type of program. In different programming languages the program itself varies, but the output of the program, that is, what happens when you run it, is still the same.
Here is a video on how to create a Hello world program. If you want, you can also just use the source code for the program!
thumb|300px|left|This is a video tutorial on how to write a classic Hello world program.