Hairball
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Hairball is a Java program used to analyze dependencies in Javacode. It looks for Constructor Injection, Setter Injection and Singleton use. It generates diagrams in both Dot (for Graphviz) and GraphML (for yEd).
It's called Hairball because the diagrams it generates are rarely as clean as the code authors would like.
Hairball makes no judgement about your code - it simply generates diagrams. It's up to you as to how you use them.