====== Grundlagen ======
===== Application Programming Interface (API) =====
API - Dokumentation
  * Class Name
  * Description
  * Properties (Attribute)
    * Description 
  * Methods (Input params / Output values)
    * Description 

<code>
extends Node2D
#we can get Access to a class API by instancing it
var range = RandomNumberGenerator.new()
</code>
===== Programming Design Principles =====
{{youtube>27S9zYOtsng?}}\\
  * DRY: Don't repeat yourself
  * KISS: Keep it simple Silly
  * SOLID

===== S=====
  * [[grundlagen:signals|Signals]]