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Design Patterns Java™ Workbook
book

Design Patterns Java™ Workbook

by Steven John Metsker
March 2002
Intermediate to advanced
496 pages
8h 51m
English
Addison-Wesley Professional
Content preview from Design Patterns Java™ Workbook

Beyond Ordinary Operations

Different classes can implement an operation in different ways. In other words, Java supports polymorphism. The power of this seemingly simple idea appears in several design patterns.

If you intend to Apply the pattern
  • Implement an algorithm in a method, deferring the definition of some steps of the algorithm so that subclasses can redefine them

  • Distribute an operation so that each class represents a different state

  • Encapsulate an operation, making implementations interchangeable

  • Encapsulate a method call in an object

  • Distribute an operation so that each implementation applies to a different type of composition

Template Method (Chapter 21)

State (Chapter 22)

Strategy (Chapter 23)

Command (Chapter 24)

Interpreter (Chapter ...
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Publisher Resources

ISBN: 0201743973Purchase book