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This paper presents some preliminary results from an empirical study of 12 Java applications from the Qualitas corpus. We measure the quantity and distribution of exception-handling constructs, and study their change as the systems evolve through several versions.
The transition from Java 1.4 to Java 1.5 has provided the programmer with more flexibility due to the inclusion of several new language constructs, such as parameterized types. This transition is expected to increase the number of class clusters exhibiting different combinations of class characteristics. In this paper we investigate how the number and distribution of clusters are expected to change...
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