Java Wiki is a wiki about Java and a little about programming in general (Example articles of this: Class, Object, Method etc.) Java is an open-source, object-oriented programming language, maintained and developed by Sun Microsystems. What you should put on this website is either:

A. Source Codes

In the format such as Hello World! (Source Code)

B. Syntax

In the format such as: (Example Syntax Contribution)

Print Line Syntax:
 System.out.println ("insert text here"); 

C. Tutorials

In the format such as Slime Game (Tutorial)

D.Basically anything else about the Java programming Language.

E. General Programming articles (that apply only to all programming languages)

In the format suchas Class or Object

F. Data Structures

Promotion To Java Programmer Plan