NDLI: A side-by-side comparison of exception handling in Ada and Java

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Volume XXI, Issue 4, December 2001

Volume XXI, Issue 3, September 2001

Exception propagation

Except for exception handling …

Object orientation and exception handling for Ada

A case for exceptions

Exceptions and concurrency

Enhancing exception support in Ada 95

How to evolve exception handling in Ada

Exceptions as types

On exceptions as first-class objects in Ada 95

A side-by-side comparison of exception handling in Ada and Java

Implementing exceptions in open multithreaded transactions based on Ada 95 exceptions

Implementing transactions using Ada exceptions

Exception support for the ravenscar profile

MOPping up exceptions

Volume XXI, Issue 2, June 2001

Volume XXI, Issue 1, March 2001

A side-by-side comparison of exception handling in Ada and Java

Content Provider	ACM Digital Library
Author	Strohmeier, Alfred Chachkov, Stanislav
Abstract	The purpose of this paper is to compare the exception handling mechanisms of Ada and Java. In order to be intelligible and useful to both communities, we have tried not to get into specific technical intricacies of the languages, perhaps sometimes at the cost of precision. Nevertheless, we decided to use the language-specific terminology whenever we write about a given language. We believe that the contrary would often lead to misunderstandings: a) the same term sometimes covers two different concepts, e.g. object, or b) when the concepts are basically the same, the features provided by the language can be largely different, making any unification impossible, e.g. task in Ada and thread in Java.Table 1 "Comparison of Terminology" shows the meanings and correspondences of the most important terms related directly or indirectly to exception handling in the two languages.We did not try to assess the merits of the two languages, not even with regard to exception handling. The issues are too many, and would by far exceed the scope of this paper: How to assess trade-offs between expressive power and performance, if ever a definite evaluation of performance is possible? How to assess language constructs whose "good" intent cannot be enforced? E.g. in Java, the "lazy" programmer can declare Throwable in a method's throws clause, instead of referring to specific exception classes. Where is the borderline between responsibility left to the programmer, and an admittedly error-prone construct in the language?Our goal was therefore to present facts, and facts only, as much as this is possible without any interpretation.
Starting Page	41
Ending Page	56
Page Count	16
File Format	PDF
ISSN	10943641
DOI	10.1145/568671.568683
Journal	ACM SIGAda Ada Letters (ALET)
Volume Number	XXI
Issue Number	3
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1989-04-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article

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