Fig 1 - uploaded by Michael Kölling
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The main interface of BlueJ. The window includes a class diagram, and interactively created objects on the object bench at the bottom. Both classes and objects have context menus for interaction.
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Different kinds of unit testing activities are used in practice. Or- ganised unit testing (regression testing or test-first activities) are very popular in commercial practice, while ad-hoc (interactive) testing is popular in small scale and experimental development environments and teaching situations. These testing styles are usually kept separat...
Context in source publication
Context 1
... main display of BlueJ ( Fig. 1) is a simplified UML diagram of the classes in the system. Each class is displayed as an icon with UML stereotypes to indicate differ- ent class types such as «abstract», «interface» or «applet». Each of the classes displayed has an associated popup menu that displays all public constructors for the class, as well as all its public ...
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Citations
... The JUnit test framework has recently become very popular in the Java community as a tool for organising testing, partly because of its extensive use in the extreme programming (XP) process (Beck, 1999). BlueJ includes an integrated implementation of JUnit to support the teaching of organised testing to students (Kölling & Patterson, 2004). The interaction mechanism described above supports ad-hoc testing in a convenient way, but is not suitable for more organised repetition of test cases. ...
This chapter describes the BlueJ system. The discussion includes both the software tool aspects of BlueJ, as well as pedagogical
approaches that should be considered when teaching with BlueJ. Pedagogical changes that have been suggested go deeper than
merely introducing a new software tool: they include changes to a more software-engineering-oriented course, removal of considerable
chunks of traditional material, and the introduction of new skills and approaches. We discuss experiences of using the system
over eight years at various institutions, and discuss successes and failures as seen retrospectively today.
