What is DrJava?
DrJava is an integrated development environment (IDE) for writing Java programs, especially targeted towards beginners and students. It was originally developed at Rice University in the early 2000s.
Some key features of DrJava include:
- Interactive graphical user interface with real-time error detection, syntax highlighting, auto-indentation etc. to make coding in Java easier for novices.
- Simple and intuitive interface, avoiding complex options targeted at expert developers.
- Integrated compiler, debugger, jar creator and other development tools.
- Support for unit testing Java code.
- Easy switching between an interactions pane for evaluating code snippets and a definitions pane for writing full programs.
- Cross-platform - available on Windows, Mac OS X and Linux.
- Lightweight and fast compared to larger IDEs like Eclipse or NetBeans.
- Open-source under the BSD license.
Overall, DrJava is aimed at classrooms and students starting out with Java, lowering the barrier to entry by providing a simple but capable IDE optimized for learning Java.