Program Development in Java: Abstraction, Specification, and Object-oriented Design

Addison-Wesley, 2001 - 443 páginas
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Written by a world-renowned expert on programming methodology, and the winner of the 2008 Turing Award, this book shows how to build production-quality programs--programs that are reliable, easy to maintain, and quick to modify. Its emphasis is on modular program construction: how to get the modules right and how to organize a program as a collection of modules. The book presents a methodology effective for either an individual programmer, who may be writing a small program or a single module in a larger o≠ or a software engineer, who may be part of a team developing a complex program comprised of many modules. Both audiences will acquire a solid foundation for object-oriented program design and component-based software development from this methodology.

Because each module in a program corresponds to an abstraction, such as a collection of documents or a routine to search the collection for documents of interest, the book first explains the kinds of abstractions most useful to programmers: procedures; iteration abstractions; and, most critically, data abstractions. Indeed, the author treats data abstraction as the central paradigm in object-oriented program design and implementation. The author also shows, with numerous examples, how to develop informal specifications that define these abstractions--specifications that describe what the modules do--and then discusses how to implement the modules so that they do what they are supposed to do with acceptable performance.

Other topics discussed include:

  • Encapsulation and the need for an implementation to provide the behavior defined by the specification
  • Tradeoffs between simplicity and performance
  • Techniques to help readers of code understand and reason about it, focusing on such properties as rep invariants and abstraction functions
  • Type hierarchy and its use in defining families of related data abstractions
  • Debugging, testing, and requirements analysis
  • Program design as a top-down, iterative process, and design patterns

The Java programming language is used for the book's examples. However, the techniques presented are language independent, and an introduction to key Java concepts is included for programmers who may not be familiar with the language.

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Writing large scale programs is difficult. The method described by the authors takes advantage of the object-oriented features of Java. If you use this programming method, your programs will be more robust, easier to understand, and easier to modify. Since the authors invented the type theory behind object oriented programming, there is a strong mathematical foundation behind the techniques presented.
This is the best book on object oriented programming, for mathematically oriented developers. It is useful for both Java and C# developers.
The programming method described here is strongly related to "design by contract," but its invention predates design by contract. You will find the same method described in earlier works by the same authors, using the CLU language. Many features of the CLU language have now migrated to modern languages, such as Java and C#.

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An excellent book for those looking for a first introduction to object oriented programming and developing large-scale programs using abstraction.


Understanding Objects in Java
Procedural Abstraction
Data Abstraction
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Acerca del autor (2001)

Barbara Liskov is professor of computer science at MIT. Well known for her contributions to programming methodology and software engineering, she is co-author (with John Guttag) of the influential book, Abstraction and Specification in Program Development. Barbara is the recipient of the 2008 A.M. Turing Award, one of the highest honors in science and engineering.


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