![]() ![]() The installer will install the application /usr/bin/bluej.Finally, run the following command in your shell to run a standard installation.Install xdg-utils using the package manager for your version of Linux (such as apt-get for Ubuntu/Debian or yum for Fedora/RedHat).If not, install Oracle's Java 8 JDK by following these instructions for Ubuntu/Debian or Fedora/RedHat.Check to see if a JDK is currently installed on your machine using the following command (again, any response that starts with 1.8 or higher is fine):.The instructions below assume you know how to use the command line and package manager. You must use version 1.8.x for this course. On Linux, BlueJ does not come bundled with a Java Development Kit, JDK, so you will need to make sure it is installed as well. By default, the installer will place a shortcut to BlueJ on your desktop.Double-click the downloaded install file and follow the wizard to install it in your preferred location.Download the Duke/Coursera specific version (choose Save instead of Run).On Windows, BlueJ comes bundled with a Java Development Kit, JDK, so only a single download is needed. Move the BlueJ application from the resulting folder to your preferred location.Download the Duke/Coursera specific version.On the Mac, BlueJ comes bundled with a Java Development Kit, JDK, so only a single download is needed. It does not require a lot of disk space (~200Mb) or processing power (~128Mb RAM) so it should run comfortably on any machine. This environment has been used successfully by millions of programmers over 15 years and has been designed by educators at the University of Kent for teaching people new to programming. Please see the support links on the main page.For Duke's courses, we will be using a custom version of the BlueJ Development Environment to develop our Java code. replacing with the path you chose to install BlueJ to. Take note of the path as you will need it to run BlueJ later.Ĭhange into the directory where you installed BlueJ: cd It is usually best to installīlueJ somewhere under your home folder. (make sure it is correct!) and where you want BlueJ to be installed. The installer should start and present a window where you can specify both the path to the JDK, and for BlueJ 4.2.0 the path to OpenJFX,.(this example is for Windows other operating system paths normally use '/' as a path separator!). For example: "C:\Program Files\Java\jdk1.8.0_144\bin\java.exe" -jar "C:\Users\Sarah\Downloads\bluej-411.jar" If you receive a "command not found" or similar error, you may need to specify replacing with the correct path to the installer. Installation by typing some commands into this application. Start your Command Prompt or Terminal application.Download the installer, making sure to keep track of where it is in the filesystem.Make sure to get the JDK (not the JRE) and to download the correct version. Is required, and we recommend installing the latest JDK 8 update - you can download the Oracle JDKįrom the Oracle website. The BlueJ installer will ask you for the path of the unzipped directories. Again, this is a zip which you should unzip locally. You also need OpenJFX 11 - download the SDK download for your operating system from Gluon. You can download the OpenJDK from the official site, which is a zip which you must unzip locally. For BlueJ 4.2.0 and later, OpenJDK 11 and OpenJFX 11 are required, which are only available for 64-bit operating systems.The BlueJ installer will ask you for the path of the JDK and unzipped JavaFX. This is a zip which you should unzip locally. You also need OpenJFX 17 - download the "SDK" download for your operating system from Gluon. You can download the OpenJDK from Adoptium: choose version "17 - LTS" and then your operating system and architecture. For BlueJ 5.1.0 and later, OpenJDK 17 and OpenJFX 17 are required, which are only available for 64-bit operating systems.There are two possibilites depending on the version of BlueJ: The generic installer requires that a Java JDK be installed separately. ![]() Is generally preferable to use the "native" installer when available. This installer can be used on most Unix-like operating systems as well as Mac OS X and Windows. These are the instructions for the generic BlueJ installer (the installer "for other operating systems"). ![]()
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