Resources

Goodrich and Tamassia

JSDL (Java Data Structure Library) is the original Data Structure Library, very powerfull and complex to use. It existed before the Java Collection Framework and was somehow obsoleted by its second version.
net.datastructure package the successor of JSDL, is much smaller, and a bit more compatible with the Java Collection Framework (it implements generics methods).

Visualisation using JGraph

JGraph is a powerful and easy-to-use open source graph component available for Java.
jgraph.com Integrates into Swing component class hierarchy, based on Swing MVC pattern.

Java Structures by Duane Bailey

Provide a package for algorithmic data structures.
www.cs.williams.edu/JavaStructures