Jun 3, 2025 · BlueJ. A free Java Development Environment designed for beginners, used by millions worldwide. Find out more... "One of my favourite IDEs out there is BlueJ" — James …

Jun 3, 2025 · Double-click on a bluej project file will launch it in BlueJ (on every OS but Mac OS you have to manually associate the file type with BlueJ). Added keyboard shortcuts to increase …

One of the fundamental characteristics of BlueJ is that you cannot only execute a complete application, but you can also directly interact with single objects of any class and execute their …

BlueJ is a development environment that allows you to develop Java programs quickly and easily. Its main features are that it is: Simple BlueJ has a deliberately smaller and simpler interface …

These are the instructions for the generic BlueJ installer (the installer "for other operating systems"). This installer can be used on most Unix-like operating systems as well as Mac OS …

Video Tutorials — provide helpful instruction on the basics of using BlueJ. The BlueJ Tutorial (4.0, English PDF) — older versions are available in various other languages.

BlueJ 5.0.2 has now been released, containing fixes for a crash on launch, an issue with JavaFX user programs, and several editor bugs. Full details are in this post . BlueJ 5.0.1 released 30 …

BlueJ is itself a Java application, and creates another instance of a Java Virtual Machine (in which the user code written in BlueJ is executed). BlueJ launches these two applications: …

BlueJ 4.2.0 and later requires a 64-bit version of Debian, and depends on packages currently only available in buster (which will become Debian 10 once it is considered stable). The easiest …

We have provided short video tutorials to support beginner in some common topics on how to use BlueJ. Contents. How to Install BlueJ ; How to Change the Interface Language ; How to use …