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BlueJ

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BlueJ
Original author(s)Michael Kölling and John Rosenberg
Developer(s)BlueJ Team
Stable release
5.4.1 / September 19, 2024; 16 days ago (2024-09-19)
Written inJava
Operating systemCross-platform
PlatformJava
Available inMultilingual
TypeIntegrated development environment
LicenseGPL-2.0-or-later with the Classpath exception
Websitebluej.org

BlueJ is an integrated development environment (IDE) for the Java programming language, developed mainly for educational purposes, but also suitable for small-scale software development. It runs with the help of Java Development Kit (JDK).

BlueJ was developed to support the learning and teaching of object-oriented programming, and its design differs from other development environments as a result.[1] The main screen graphically shows the class structure of an application under development (in a UML-like diagram), and objects can be interactively created and tested. This interaction facility, combined with a clean, simple user interface, allows easy experimentation with objects under development. Object-oriented concepts (classes, objects, communication through method calls) are represented visually and in its interaction design in the interface.

History

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The development of BlueJ was started in 1999 by Michael Kölling and John Rosenberg at Monash University, as a successor to the Blue[2] system. BlueJ is an IDE (Integrated Development Environment). Blue was an integrated system with its own programming language and environment, and was a relative of the Eiffel language. BlueJ implements the Blue environment design for the Java programming language.

In March 2009, the BlueJ project became free and open source software, and licensed under GPL-2.0-or-later with the Classpath exception.

BlueJ is currently being maintained by a team at King's College London, England, where Kölling works.

Supported language

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BlueJ supports programming in Java and in Stride.[3] Java support has been provided in BlueJ since its inception, while Stride support was added in 2017.

See also

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References

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  1. ^ Kölling, M. (2008). "Using BlueJ to Introduce Programming" (PDF). In Bennedsen, J.; Caspersen, M.E; Kölling, M. (eds.). Reflections on the Teaching of Programming. Lecture Notes in Computer Science. Vol. 4821. Springer. pp. 182–196. ISBN 978-3-540-77933-9.
  2. ^ Kölling, M.; Rosenberg, J. (1996). "An Object-Oriented Program Development Environment for the First Programming Course" (PDF). Proceedings of the 27th SIGCSE Technical Symposiumon Computer Science Education. ACM. pp. 83–87. doi:10.1145/236462.236514. ISBN 0-89791-757-X.
  3. ^ Stride

Bibliography

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