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BlueJ 4.0.1

Learn Java with this easy-to-use development environment

by Mike Williams

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License: Freeware
Operating Systems: Linux, Mac OS X, Windows 7 (32 bit), Windows 7 (64 bit), Windows 8, Windows Server, Windows Vista (32 bit), Windows Vista (64 bit), Windows XP
Requirements:
Languages: English
Software Cost: Free
Date Updated: 30 April 2017
Watchlist: Add download to my watchlist
Downloads To Date: 12322
Developer: University of Kent
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BlueJ
Learn Java with this easy-to-use development environment

BlueJ is a free integrated development environment for Java. It's designed to help novices learn Java and object-oriented programming, although the more experienced can also use it to develop simple applications.

The BlueJ download we're linking here contains its own code and Oracle's Java Development Kit, which is everything you need to get started. If you already have the JDK, though, smaller BlueJ-only downloads are available on the program's site.

The program installs without incident. It's developed by a University, so there's no adware, no registration, no unnecessary visits to their website or other marketing annoyances. If you are totally new to Java then you should probably begin with the BlueJ readme file (see C:\Program Files (x86)\BlueJ\README.TXT by default), which points you to a useful tutorial and offers other advice on getting started.

If you've some development experience and want to jump right in, then there are some small example projects in the BlueJ folder (C:\Program Files (x86)\BlueJ\examples by default). We really do mean "small", but there's enough for you to understand the BlueJ basics. You get an instant graphical view of your application's class structure; scope highlighting helps you understand the layout of your code; you can dynamically create objects, inspect them (check the right-click menu) and invoke their methods, even enter Java code and have it execute right away, no compilation required.

Version 4.0.1 (Changelog):

Fixed: Closing code editor kills created objects and clears the the object bench
Fixed: After switching to another language, Preferences disappear from the Mac app menu and some keyboard shortcuts will not work
Fixed: Debugger is not stopping on some Breakpoints
Fixed: Backspace doesn't work in Terminal on Mac
Fixed: Add «stereotype» markers again («/») in class diagram
Fixed: Lack of scrolling with lots of methods either in unit test, Class popup or Object popup menus
Fixed (MacOS X): Projects can't be opened with double click on "package.bluej" when BlueJ is open

Verdict:

BlueJ is an excellent development environment for learning Java, but its uncluttered interface and portability mean it may also appeal to the more experienced.

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Spotlight: Free Full Software

Windows 10 May 2019 Update ISO (build 1903)

Free Full Commercial Software

This is the latest version of Windows May 2019 Update. it's a media creation tool that can be used to upgrade an existing installation of Windows or create installation media for another PC. Just make your choice after launching the tool and it'll do the rest.

What was new in Windows 10, when it was released? The OS brought back the Start Menu, though with a twist: live tiles keep you up-to-date with the latest news while also providing an easy way to launch apps. (Don't worry if you prefer the Start Screen, it's still there and you can boot into it if you prefer.)

Apps now work much more like regular desktop programs. They have minimise, maximise, restore and close buttons, and can be resized (to a degree) and organised however you like.

If you've still lost track of a program in the mass of open windows, a new Task Spaces feature can help. Click its taskbar button and you'll see thumbnails for everything running now, a little like OS X's Mission Control - just click something to switch to it.

Better still, Task Spaces also supports virtual desktops. Add extra desktops as required and it'll display thumbnails of each one, making it easy to identify whatever you're after and switch to it.

There's also smarter snapping, new customisation options, and even a bunch of experimental additions to the command prompt.

May 2019 Update brings a whole host of new features for Windows 10. See the Microsoft Blog for more information.

The Windows 10 ISO will give you build 1903 which is the May 2019 Update.

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Value:
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