BlueJ News

BlueJ 5.5.0 released

BlueJ Team — Tue, 03 Jun 2025 12:18:18 +0000

BlueJ 5.5.0 has now been released, featuring many usability improvements. It is available to download on <a href="https://bluej.org/">our main page</a>.

Announcing: Kotlin in BlueJ

BlueJ Team — Wed, 29 Jan 2025 15:22:41 +0000

We are very happy to announce that we have started a collaboration with JetBrains to bring Kotlin to BlueJ.

BlueJ 5.4.1 released

BlueJ Team — Thu, 19 Sep 2024 17:01:16 +0000

BlueJ 5.4.1 has been released, to fix a problem with error messages sometimes not showing in the Java editor. It is available from <a href="https://bluej.org/">our front page</a> as usual.

BlueJ 5.4.0 released

BlueJ Team — Fri, 09 Aug 2024 12:28:29 +0000

BlueJ 5.4.0 is now available <a href="https://bluej.org/">for download.</a> Support for Java 21, Apple Silicon, Raspberry Pi and more.

BlueJ book, 7th edition

BlueJ Team — Tue, 07 May 2024 12:39:34 +0000

A new edition of the BlueJ book is on the way.

BlueJ 5.3.0 released

BlueJ Team — Wed, 20 Mar 2024 15:04:41 +0000

BlueJ 5.3.0 has now been released and is available on <a href="https://www.bluej.org/">the main page</a>.

BlueJ 5.2.1 released

BlueJ Team — Tue, 10 Oct 2023 10:05:28 +0000

BlueJ 5.2.1 has been released and is <a href="https://www.bluej.org/">available for download on the main page</a>.

BlueJ 5.2.0 released

BlueJ Team — Tue, 20 Jun 2023 09:49:28 +0000

BlueJ 5.2.0 has now been released, you can download it from <a href="https://bluej.org/">the main page</a>.

BlueJ 5.1.0a released, fixes Mac crash

BlueJ Team — Thu, 27 Oct 2022 17:07:59 +0000

BlueJ 5.1.0a is now available at <a href="https://bluej.org/">bluej.org</a>. This release fixes the crash on load on macOS 13 (Ventura)

BlueJ now lives on Github

BlueJ Team — Tue, 11 Oct 2022 16:23:48 +0000

BlueJ development has now moved to <a href="https://github.com/k-pet-group/BlueJ-Greenfoot">Github</a>.

BlueJ 5.1.0 released

BlueJ Team — Tue, 20 Sep 2022 15:01:29 +0000

BlueJ 5.1.0 is now <a href="https://www.bluej.org/">available for download</a>.

BlueJ 5.0.3 released

BlueJ Team — Mon, 28 Mar 2022 14:21:45 +0000

BlueJ 5.0.3 has now been released and is available <a href="https://www.bluej.org/">for download</a>.

BlueJ 5.0.2a released

BlueJ Team — Thu, 02 Dec 2021 13:34:53 +0000

Version 5.0.2a is an update for Mac only, to fix crashes that occur on MacOS 12 (Monterey).

BlueJ 5.0.2 released

BlueJ Team — Fri, 06 Aug 2021 13:27:59 +0000

BlueJ 5.0.2 has now <a href="https://www.bluej.org/">been released</a>, containing fixes for a crash on launch, an issue with JavaFX user programs, and several editor bugs.

BlueJ 5.0.1 released

BlueJ Team — Fri, 30 Apr 2021 14:21:16 +0000

BlueJ 5.0.1 has now <a href="https://www.bluej.org/">been released</a>, containing many bug fixes and a few new features, such as automatically closing curly brackets, and allowing editing of text files.

BlueJ 5.0.0 has been released

BlueJ Team — Thu, 28 Jan 2021 16:05:08 +0000

BlueJ 5.0.0 has now been released, featuring an improved Java editor, JUnit 5 support and more. It is available to <a href="https://www.bluej.org/">download now</a>.

BlueJ 4.2.2 released

BlueJ Team — Fri, 04 Oct 2019 12:55:33 +0000

BlueJ 4.2.2 has now <a href="https://www.bluej.org/">been released</a>. It fixes an issue with a space being inserted at the beginning of output to the terminal, and a bug where the Submitter preferences could not be edited.

BlueJ 4.2.1 released

BlueJ Team — Tue, 30 Apr 2019 12:04:34 +0000

BlueJ 4.2.1 is now <a href="https://www.bluej.org/">available</a>. This fixes several bugs, including startup freezes on Windows, JavaFX on Ubuntu, and issues with the "file changed on disk" dialog incorrectly appearing.

BlueJ 4.2.0 released with Java 11 support

BlueJ Team — Thu, 07 Feb 2019 13:02:08 +0000

BlueJ 4.2.0 is now <a href="https://www.bluej.org/">available for download</a>. This is the first release to move beyond Java 8. It targets Java 11, and features support for the var keyword added in Java 10.

Bug fix release - BlueJ 4.1.4

BlueJ Team — Tue, 30 Oct 2018 11:16:44 +0000

BlueJ 4.1.4 fixes a memory leak that caused BlueJ to slow down after some time of editing files.

BlueJ 4.1.3 released

BlueJ Team — Fri, 07 Sep 2018 15:28:51 +0000

BlueJ 4.1.3 has now been released and is <a href="https://bluej.org/">available for download</a>. This fixes various minor bugs, especially in the Git support. We recommend upgrading.

BlueJ is 19 years old

BlueJ Team — Thu, 23 Aug 2018 14:30:26 +0000

BlueJ 1.0.0 was released on 23rd August 1999, meaning that today is the 19th anniversary of that release. We are pleased that BlueJ has remained relevant and popular over that time period, with usage still steadily growing.

BlueJ 4.1.2 released

BlueJ Team — Thu, 09 Nov 2017 23:57:26 +0000

BlueJ 4.1.2 has now been released and is available at <a href="https://www.bluej.org/">bluej.org</a>.

BlueJ 4.1.1 released

BlueJ Team — Mon, 18 Sep 2017 16:01:09 +0000

BlueJ 4.1.1 has now been released. This fixes Java editor and printing bugs. Available at <a href="https://www.bluej.org/">bluej.org</a>.

BlueJ 4.1.0 released

BlueJ Team — Fri, 23 Jun 2017 11:49:42 +0000

BlueJ 4.1.0 has now been released. This fixes some graphical display bugs present in 4.0.x. Available at <a href="https://www.bluej.org/">bluej.org</a>.

BlueJ 4.0.1 released

BlueJ Team — Tue, 28 Mar 2017 18:54:36 +0000

A new version of BlueJ with many bugs fixes is now available for download.

BlueJ moves to a new home: King's College London

BlueJ Team — Mon, 13 Mar 2017 19:31:47 +0000

You may have noticed a new logo appearing on the splash screen for the just-released BlueJ 4.0: King's College London.

BlueJ 4 released

BlueJ Team — Thu, 09 Mar 2017 01:20:00 +0000

A new version of BlueJ with many new features, including the new language Stride, is now available for download.

BlueJ 4 Preview 2 is out

BlueJ Team — Sat, 10 Dec 2016 15:37:42 +0000

BlueJ 4 Preview 2 is now available for download, providing many improvements over Preview 1.

Start experimenting with BlueJ 4

BlueJ Team — Fri, 12 Aug 2016 16:46:53 +0000

Fancy a new editing paradigm?

Waiting for BlueJ to support Git?

We have just released the BlueJ 4 Preview.

Objects First with Java, 6e

BlueJ Team — Mon, 25 Apr 2016 17:10:47 +0000

The sixth edition of the BlueJ book is about to be published.

BlueJ on the Raspberry Pi

BlueJ Team — Wed, 30 Sep 2015 12:37:12 +0000

BlueJ is now part of the standard Rasbperry Pi image.

BlueJ 3.1.5 released!

BlueJ Team — Thu, 02 Apr 2015 09:41:09 +0000

A new release of BlueJ is available.

BlueJ 3.1.4 released!

BlueJ Team — Thu, 02 Oct 2014 14:18:26 +0000

A new release of BlueJ is available.

BlueJ 3.0.9 released!

BlueJ Team — Fri, 22 Feb 2013 15:36:40 +0000

A new release of BlueJ is now available.

The BlueJ Team Are Hiring

BlueJ Team — Fri, 23 Nov 2012 16:20:22 +0000

The BlueJ/Greenfoot team are currently looking to hire new two team members. We are inviting applications until the 19th December. You can view the official job description and apply online, while one of our existing team members, Neil Brown, has written a more informal description of the job and the team.

Live map of BlueJ use

BlueJ Team — Mon, 24 Sep 2012 19:43:45 +0000

Is there life out there, other than myself? Find out on this map.

BlueJ at SIGCSE

BlueJ Team — Tue, 17 Jan 2012 11:05:47 +0000

Some members of the BlueJ team will be at the SIGCSE 2012 conference this year, presenting opportunities to use BlueJ for your Computing Education research.

Objects First With Java - Fifth Edition

BlueJ Team — Tue, 13 Dec 2011 19:57:18 +0000

A new edition of the BlueJ book "Objects First With Java" is now available.

BlueJ 3.0.6 is out now

BlueJ Team — Thu, 10 Nov 2011 16:56:05 +0000

The next release of BlueJ is now available.

10 Million Downloads of BlueJ

BlueJ Team — Sat, 29 Oct 2011 12:01:11 +0000

The BlueJ environment, a system to learn and teach object-oriented programming in Java, has been downloaded 10 million times.

Java 7 for introductory programming — does it make a difference?

BlueJ Team — Mon, 29 Aug 2011 15:08:57 +0000

The recently released BlueJ 3.0.5 brought full support for Java 7. While it is always good to be up-to-date with the latest versions — what does that actually mean for introductory programming teaching?

BlueJ is 12 today!

BlueJ Team — Tue, 23 Aug 2011 20:52:55 +0000

It's BlueJ's birthday today.

BlueJ 3.0.5 is out, supports Java 7

BlueJ Team — Tue, 16 Aug 2011 16:28:02 +0000

BlueJ 3.0.5 has now been released. Get it while it's hot!

BlueJ 3.0.5 coming soon

BlueJ Team — Mon, 18 Jul 2011 09:20:32 +0000

BlueJ version 3.0.5 is being prepared for release and includes some new features. It should be out within a week or so.

Get your own BlueJ mug!

BlueJ Team — Thu, 16 Jun 2011 09:01:08 +0000

You can now earn yourself a BlueJ coffee mug by uploading a resource to the Blueroom.

Off to a good start

BlueJ Team — Tue, 24 May 2011 17:13:15 +0000

In less than four days, the Blueroom is up to more than 100 members.

2010 BlueJ Downloads

BlueJ Team — Mon, 23 May 2011 09:59:55 +0000

Annual BlueJ download numbers have increased to over 2.5 million for 2010. A huge increase - and we have no idea why.

Welcome

BlueJ Team — Fri, 20 May 2011 15:32:03 +0000

Welcome to the new Blueroom. To make it work, your help is needed. It is what you make of it!

Blueroom Opening

BlueJ Team — Mon, 16 May 2011 08:40:32 +0000

The Blueroom has now opened its doors. Welcome! We hope you find the site useful, and if you have any troubles, please get in touch.