Visualising Java Data Structures as Graphs.
ACE, volume 30 of CRPIT, page 125-129. Australian Computer Society, (2004)

We present a simple, general-purpose tool for visu- alising Java data structures. The tool uses Java re- flection and an open-source graph drawing program to produce text-book quality depictions of arbitrary Java objects. The tool offers certain pedagogical advantages over other “heavy-weight” visualisation systems. Its sim- plicity and generality means that students are able to visualise their own data structures, rather than passively observing a limited range of “correct” visu- alisations prepared in advance by the lecturer. The tool supports an active, exploratory style of learning, and is ideally suited for use in CS1-level courses that introduce Java references and arrays, as well as a range of CS2-level data structure material. Initial classroom results are encouraging.
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