James Gosling on BlueJ:

"So, for instance, one of my favorite IDEs out there is called BlueJ. It's really nice, and it is extremely specialized. It is designed to help in teaching people who have never programmed before, and it comes with, you know, a textbook and the rest of it, and there is this large community of high schools and universities and middle schools that all use this thing.

James Gosling,Sun Microsystems

Use BlueJ. Seriously. They can't use it for five minutes without getting the idea that they're creating instances from their classes and calling those instances' methods. It's uncanny how visual and intuitive the BlueJ team have made the whole thing.

Todd O'Brian, duPont Manual High School, Louisville, KY

I have used BlueJ for two years, teaching a one-semester introductory
course, and have found it to be wonderful. I recommend it without reservations.

Roselyn Teukolsky, Ithaca High School

James Gosling, in a recent interview, makes a short remark about BlueJ:

"There's one really interesting development environment out there. It's a thing called Bluejay. It's been developed over the last four or five years by a consortium at the universities, and it's an IDE (integrated development environment) that's designed specifically for teaching programming, for taking people who have never written a program before in their life and running them through courses. And they've been very, very successful with it."

I'm just learning Java and have no OOP experience. I had trouble understanding what was meant by an object in software until I used BlueJ. Sun's website talks about blueprints for bicycles as the class, and bicycles as instances, or objects, of that class. That's well and good, but we're talking about software, and no matter what I do, I'm not going to produce an instance of a bicycle from my computer! But as soon as I went through the BlueJ tutorial, Bam! It hit me what an object was. BlueJ made it obvious.

Steve Held

This is just to send you and your team a big thank you for BlueJ. I am currently exploring Java in advance of taking an extra mural course in the language at University of Teeside in NE England. I have found your software to be an invaluable learning aid - I use it like a workbench while I am working through a Java textbook and it certainly makes understanding the various concepts a lot easier. I have tried various other IDE's but find BlueJ the best by far for a newbie like me.

Richard Lawrence

I just dowloaded BlueJ and I really like it. I started learning Java few months ago and so far I was using Emacs JDE. I also tried JBuilder, Together and NetBeans but they are much too complicated tools for just running book examples. Your tool has also probably the shortest learning curve out of anything I tried so far.

Tom Niesytto

I would like to congratulate and thank you and your team for BlueJ - this is indeed exceptional software. I found BlueJ as a link from Mr. Horstmann's website and am using it in conjunction with his book, Core Java, to learn Java development. I find that BlueJ removes all the complications of other tools and replaces them with features that let me concentrate on my education rather than the tool itself.

I have, and will continue to recommend BlueJ.

Regards,

Lionel Remillard
Waukesha, Wisconsin, USA

Hello BlueJ team

Just few comments. I have been quietly using BlueJ for a while, I have to say that it is a great piece of software. Most of the IDE for Java is so complicated with the functions people actually never use. But BlueJ provides the most common features people need. It is a good teaching and development tool indeed.

thanks

Wengui Su
GIS programmer and modeller

I am learning Java, and just started using BlueJ.  It is a super!  The first time I loaded a package BlueJ showed me a circular dependency that I had inadvertently established between two of the classes.

Thanks for a super tool.

Henry Black
Sterling Software, Inc.