Retro engineering from Java to produce UML diagrams

Hi,
What are the free tools available to produce UML diagrams from the Java code of an application ?
I tried some with Eclipse, but i am not convinced with the results obtained.
Are there good free tools for this kind of task ?
Thanks

jfk wrote:
Hi,
What are the free tools available to produce UML diagrams from the Java code of an application ?
I tried some with Eclipse, but i am not convinced with the results obtained.
Are there good free tools for this kind of task ?
Thankshttp://www.umlgraph.org/index.html
http://www.objectaid.com (not free)
http://essmodel.sourceforge.net/download.html
Nebeans UML extensions

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    History Support     oracle.jdeveloper.history     11.1.1.0.31.51.88     Loaded
    Import/Export Support     oracle.ide.importexport     11.1.1.0.31.51.88     Loaded
    Index Migrator support     oracle.ideimpl.indexing-migrator     11.1.1.0.31.51.88     Loaded
    JDeveloper     oracle.jdeveloper     11.1.1.0.31.51.88     Loaded
    Java Annotation Inspector     oracle.jdeveloper.annotation.inspector     11.1.1.0.31.51.88     Loaded
    JavaBeans, Swing, and AWT     oracle.swingawt     11.1.1.0.31.51.88     Loaded
    Local Help for Java Edition     oracle.java.help     11.1.1.0.0     Loaded
    Log Window     oracle.ide.log     11.1.1.0.31.51.88     Loaded
    Mac OS X Adapter     oracle.ideimpl.apple     11.1.1.0.31.51.88     Loaded
    Navigator     oracle.ide.navigator     11.1.1.0.31.51.88     Loaded
    Nightly Indexing support     oracle.ideimpl.indexing-rt     11.1.1.0.31.51.88     Loaded
    Object Gallery     oracle.ide.gallery     11.1.1.0.31.51.88     Loaded
    Oracle IDE     oracle.ide     11.1.1.0.31.51.88     Loaded
    Oracle JDevloper Deployment Core Module     oracle.deploy.core     11.1.1.0.31.51.88     Loaded
    Peek     oracle.ide.peek     11.1.1.0.31.51.88     Loaded
    Persistent Storage     oracle.ide.persistence     11.1.1.0.31.51.88     Loaded
    Profiler     oracle.jdeveloper.profiler     11.1.1.0.31.51.88     Loaded
    Properties File Support     oracle.jdeveloper.props     11.1.1.0.31.51.88     Loaded
    Property Inspector     oracle.ide.inspector     11.1.1.0.31.51.88     Loaded
    Refactoring     oracle.jdeveloper.refactoring     11.1.1.0.31.51.88     Loaded
    Replace With     oracle.ide.replace     11.1.1.0.31.51.88     Loaded
    Runner     oracle.ide.runner     11.1.1.0.31.51.88     Loaded
    Search Bar     oracle.ide.searchbar     11.1.1.0.0     Loaded
    SearchBar Commands     oracle.ide.searchbar.commands     11.1.1.0.31.51.88     Loaded
    VHV     oracle.ide.vhv     11.1.1.0.31.51.88     Loaded
    Versioning Support     oracle.jdeveloper.vcs     11.1.1.0.31.51.88     Loaded
    Versioning Support for CVS     oracle.jdeveloper.cvs     11.1.1.0.31.51.88     Loaded
    Versioning Support for Subversion     oracle.jdeveloper.subversion     11.1.1.0.31.51.88     Loaded
    Virtual File System     oracle.ide.vfs     11.1.1.0.31.51.88     Loaded
    Web Browser and Proxy     oracle.ide.webbrowser     11.1.1.0.31.51.88     Loaded
    XML Compare     oracle.jdeveloper.xml-compare     11.1.1.0.31.51.88     Loaded
    XML Editing Framework IDE Extension     oracle.ide.xmlef     11.1.1.0.31.51.88     Loaded
    XML Editing Framework Java Integration     oracle.jdeveloper.xmlef     11.1.1.0.31.51.88     Loaded
    appoverview     oracle.ide.appoverview     11.1.1.0.31.51.88     Loaded
    audit     oracle.ide.audit     11.1.1.0.31.51.88     Loaded
    audit-core     oracle.ide.audit.core     11.1.1.0.31.51.88     Loaded
    classpath: protocol handler extension     oracle.jdeveloper.classpath     11.1.1.0.0     Loaded
    dependency-java     oracle.jdeveloper.java.dependency     11.1.1.0.31.51.88     Loaded
    dependency-refactor     oracle.jdeveloper.refactoring.dependency     11.1.1.0.31.51.88     Loaded
    dependency-xsd     oracle.jdeveloper.xsd.dependency     11.1.1.0.31.51.88     Loaded
    deploy-ant     oracle.deploy.ant     11.1.1.0.31.51.88     Loaded
    deploy-rt     oracle.jdevimpl.deploy-rt     11.1.1.0.31.51.88     Loaded
    ide-diagnostics     oracle.ide.diagnostics     11.1.1.0.0     Loaded
    oracle.ide.dependency     oracle.ide.dependency     11.1.1.0.31.51.88     Loaded
    oracle.ide.filequery     oracle.ide.filequery     11.1.1.0.31.51.88     Loaded
    oracle.ide.indexing     oracle.ide.indexing     11.1.1.0.31.51.88     Loaded
    palette2     oracle.ide.palette2     11.1.1.0.31.51.88     Loaded
    performance     oracle.ide.performance     11.1.1.0.31.51.88     Loaded
    searchbar-gallery     oracle.ide.searchbar.gallery     11.1.1.0.31.51.88     Loaded
    searchbar-help     oracle.ide.searchbar.help     11.1.1.0.31.51.88     Loaded
    searchbar-index     oracle.ide.searchbar.index     11.1.1.0.31.51.88     Loaded
    status     oracle.ide.status     11.1.1.0.31.51.88     Loaded

    The answer is in the second line of the About Box dump
    Oracle JDeveloper 11g 11.1.1.0.1
    Java Edition Version 11.1.1.0.1
    You're running the Java Edition of the product not the full Studio*.* If you downloaded and installed the studio edition then the issue will be that you started the product with the Java Dvelopment role - You can fix that simply:
    Tools > Preferences > Roles, check the Always prompt for role selection at startup and then restart JDeveloper.

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