Articles made by community. It's great when You want to better understand some topics. For total newbie in programming world - everything seems to be nice and clear. Another nice thing is idea with levels. People like to gain experience. I am hoping that in the next levels there will be more chalenges and more xp to obtain ;)

Übung, Übung und noch mehr Übung. Man kann kein Programmierer werden, wenn man nur Bücher liest. Ich programmiere seit ein paar Jahren und diese Website hat mir geholfen, meine Programmierfähigkeiten sehr schnell zu entwickeln.

I like the fact that there is a very funny and interesting story that introduce you to Java. It's like reading a SF interactive book and learning Java through solving many tasks.