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Step 1: Get Java

    Check the system requirements (right side of this page). Make sure you have an appropriate version of Java installed.

Step 2: Download the installation package

    Latest official release:

    BlueJ version 2.5.1
     

    for Windows 2000, XP, Vista or newer (5.1Mb)

    bluejsetup-251.exe
    for MacOS X (4.7 Mb) BlueJ-251.zip
    all other systems (executable jar file) (4.8 Mb) bluej-251.jar

    (If your browser tries to display the file, instead of downloading it, then use "Save link as.." which you get when you right-click or shift-click the link.)

 

Once you have loaded the file, go  to the Installation Instructions.

DOWNLOAD

 

System Requirements

You need to have Java installed on your system. You need one of the following versions:

JDK 6 or JDK 5

Note that only the version labeled JDK will work. Not the one labeled JRE, nor the one that comes with NetBeans, nor the EE version.

Windows Vista users must use JDK 6 (read this for details).

Details about system requirements are here.

On MacOS X, a recent Java SDK version is installed by default. You do not need to install Java on this system.

Other downloads

Previous BlueJ versions.
Source code.


 
 
 
 

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maintained by
Michael Kölling
.