![]() ![]() \bluej\extensions2 (Windows), or /Library/Preferences/org. lib/extensions2 (Unix), or \lib\extensions2 (Windows), or /BlueJ.app/Contents/Resources/Java/extensions2 (Mac, Control-click BlueJ.app and choose Show Package Contents)įor all users of this system in all projects. BlueJ has three separate locationsįor extensions, each giving the extension a different scope. This will be displayed in the Help->Installed Extensions dialog. getName public abstract getName() Should return a name for this extension. In this quick tutorial, well focus on array processing with the very useful ArrayUtils utility class. This support includes methods for handling strings, numbers, dates, concurrency, object reflection and more. A guideline for the changes required is available in the Guide to Writing Extensions for BlueJ.Įxtensions are installed by placing the extension jar file Any attempt by an extension to call methods on its BlueJ object after this method has been called will result in an (unchecked) ExtensionUnloadedException being thrown by the BlueJ object. The Apache Commons Lang 3 library provides support for manipulation of core classes of the Java APIs. There you can set the path to your JavaFX-Scenebuilder executable. Setup In the BlueJ settings dialog you will find a tab called 'Extensions'. BlueJ needs to be restarted for the extension to load. Extensions that had been written for previous versions of BlueJ (4 and earlier) will not work until they are recompiled for the new extensions API. Installation In your BlueJ Project directory place bluej-scenebuilder.jar (found in /library/ folder) into a folder 'extensions2'. The relevant Jira issue), but uses JavaFX instead. It no longer relies on the Java Swing framework for the extensions (see Note! In BlueJ 5.0.0 the extensions mechanism was changed. Extensions offerĪdditional functionality not included in the core system. To develop extensions to the environment. At the moment, there is only one extension which is distributed with BlueJ: support for online submission of BlueJ projects for assessment or assistance - the 'submitter'. BlueJ offers an extension API that allows third parties This method returns a new array with the same elements of the input array except the element on the specified position. BlueJ includes a mechanism for writing and deploying extensions to its core functionality, for which general documentation can be found here.
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