Testing the jGRASP structure identifier with data structure examples from textbooks

jGRASP 1.8.7 has integrated three approaches for interacting with its dynamic viewers for data structures: the debugger, the workbench, and a new text-based interactions tab that allows individual Java statements to be executed and expressions to be evaluated. While each of these approaches is distinct and can be used independently of the others, they can also be used together to provide a complementary set of interactions with the dynamic viewers. In order to integrate these approaches, the jGRASP visual debugger, workbench, and viewers had to be significantly redesigned. During this process, the structure identifier, which provides for the identification and rendering of common data structures, was also greatly improved by examining the examples from 20 data structure textbooks. The overall result of this integration effort is a highly flexible approach for user interaction with the dynamic data structure visualizations generated by a robust structure identifier.

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“…The detailed results of the testing are described in [8]. Example visualizations now recognized by the mechanism are shown in Figure 5.…”

Section: Examples Of Other Data Structuresmentioning

confidence: 99%

Integrating Multiple Approaches for Interacting with Dynamic Data Structure Visualizations

Cross

Hendrix

Barowski

2009

Electronic Notes in Theoretical Computer Science

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Robust Generation of Dynamic Data Structure Visualizations with Multiple Interaction Approaches

Cross

Hendrix

Umphress

et al. 2009

ACM Trans. Comput. Educ.

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jGRASP has three integrated approaches for interacting with its dynamic viewers for data structures: debugger, workbench, and text-based interactions that allow individual Java statements and expressions to be executed/evaluated. These approaches can be used together to provide a complementary set of interactions with the dynamic viewers. Data structure identification and rendering were tested by examining examples from 20 data structure textbooks. Controlled experiments with CS2 students indicate that the viewers can have a significant positive impact on student performance. The overall result is a flexible environment for interacting with effective dynamic data structure visualizations generated by a robust structure identifier.

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Testing the jGRASP structure identifier with data structure examples from textbooks

Cited by 2 publications

References 4 publications

Integrating Multiple Approaches for Interacting with Dynamic Data Structure Visualizations

Integrating Multiple Approaches for Interacting with Dynamic Data Structure Visualizations

Robust Generation of Dynamic Data Structure Visualizations with Multiple Interaction Approaches

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