This is no longer the case.Programming Installing Java SE Development Kit 72021. It used to be that to use BlueJ with Windows you had to install a JDK first. Please see the PMD documentation for the rulesets available.The procedure for installing BlueJ is pretty simple. You can also fine-tune the 'PMD Options' by default, the rulesets 'java-basic' and 'java-design' are executed. Select or enter the 'Path to PMD installation' that you have remembered from step one above. In BlueJ, go to 'Tools / Preferences / Extensions'.
Bluej Download JDK 7
Download JDK 7 package here. But you might try and comment here later 😉 So, here are the installation steps: Fedora has it’s native Java package OpenJDK 6 installed, but as long as I now, it is not recommended to use it with BlueJ. Every single version will be available as they are made.In order to use BlueJ, we need to have JDK6 or JDK7 installed on our system. This is the first attempt that I know of to put BlueJ, the easy to use and learn Java programming interface, into the PortableApps.com platform.
Fc16.i686 #1 SMP Tue Nov 1 21:00: i686 i686 i386 GNU/Linux”, where fc16 stands for Fedora 16 and i686 basically means that this distribution runs on x86 machine. You will get something like this “Linux localhost.localdomain 3.1.0-7. To check what Linux distribution and architecture are you running, simply open Terminal (Applications > System Tools > Terminal) and type command uname -a. Because my system is Red Hat based and it uses 32 bit architecture, I have to choose first package on a list “Linux x86 RPM”.
I.e., my path is this: /usr/java/jdk1.7.0_01/bin/.Since BlueJ does not provide Linux installation instructions for us, we will use Unix ones: Executable JDK 7 files will be placed here /usr/java/jdkversion/bin/. You should know it or al least the person who installed the system will. You also will be asked for a superuser password once download finishes and installation process will take a place. Choose “Open with: Software install (default)”and press OK.
Check that paths are correct and press Install. You will see BlueJ Installer window. In my case it was /usr/java/jdk1.7.0_01/bin/java -jar /home/donatas/Downloads/bluej-306.jar Open Terminal (Applications > System Tools > Terminal) and run installation using this command : /usr/java/jdkversion/bin/java -jar /path/to/bluejjarfile/bluej-version.jar. By default it will go to /home/yourusername/Downloads directory. Save it wherever you want.
If you don’t want to run applications this way, then you can check this tutorial how to add or remove menu items on Fedora. To run BlueJ execution script: sh. To get to folder where BlueJ is installed: cd /home/yourusername/bluej.
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