A
sample chapter on Data Structures in Java from the book Java concepts for Java 5 and 6. A good and thorough read.
The romantic image of an über-programmer is someone who fires up Emacs, types like a machine gun, and delivers a flawless final product from scratch. A more accurate image would be someone who stares quietly into space for a few minutes and then says “Hmm. I think I’ve seen something like this before.” - John D