Tool to automatically restructure (refactor) Java inheritance hierarchies, and delete duplicate code. Such tools are most useful with OO code, more so prototype-based. Brief description, example diagram, links. [Open Source, MIT]

A prototype-tool for automatic program transformations, which allows refactoring of programs written in Java language. [Freeware]

A plugin that adds automatic refactoring of Java source code to the editor. This currently includes class, field, method, and package renaming and push-down and pull-up of methods and fields in an inheritance hierarchy. [Open Source, LGPL]

Product family of refactoring Java browsers: for professional Java development environments such as IBM VisualAge Java. [Commercial]

Open source Java refactoring tool, supports a dozen refactorings; command line options: with/without GUI, comes as plugin for IDEs Elixir, JBuilder, NetBeans: in the first two, can now switch from UML diagram to source code. [Open Source, Apache style]

A tool to analyze and refactor java code. [Commercial, free Beta].

Refactoring and code tracking and analysis support tool. May be used standalone or integrated with IDEs such as Netbeans, Forte, JDeveloper and JBuilder. [Commercial]

Instantiations refactoring tool helps meet enterprise standards.

A Java code analysis and manipulation architecture. Currently, the focus of the architecture is as a refactoring tool. [Open Source, GPL]

A professional development tool for Emacs and XEmacs with intellisense code completion, source browsing and refactoring functions. It was the world's first C and Java refactoring tool. [Commercial]