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BlueJ is an integrated Java environment specifically designed for introductory teaching.

BlueJ supports:

  • Fully integrated environment
  • Graphical class structure display
  • Graphical and textual editing
  • Built-in editor, compiler, virtual machine, debugger, etc.
  • Easy-to-use interface, ideal for beginners
  • Interactive object creation
  • Interactive object calls
  • Interactive testing
  • Incremental application development

What's New

Version 4.0.0:

Note: BlueJ 4 requires Java 8 (minimum 8u60) and JavaFX, and thus is currently unsupported on older Macs and on Raspberry Pi.

  • Java programming
    • Adds tabbed editors
    • Adds automatic error-checking
    • Adds display of multiple errors
    • Has most of the BlueJ interface rewritten into JavaFX
    • Provides some support for


  • OS X 10.8.3 or later
  • Java 8 or later

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BlueJ User Discussion

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3.5 4


Current Version (4.x)


Downloads 18,011
Version Downloads 161
License Free
Date 08 Mar 2017
Platform Intel 64 / OS X
Price Free
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