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Understanding The Facade Pattern

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The Facade pattern puts up a new interface — that is, a facade — in front of the original system. In this sample book chapter, you'll learn when to apply it, and how to do so.
This chapter is from the book


I start the study of design patterns with a pattern that you have probably implemented in the past but may not have had a name for: the Facade pattern.

This chapter

  • Explains what the Facade pattern is and where it is used.

  • Presents the key features of the pattern.

  • Presents some variations on the Facade pattern.

  • Relates the Facade pattern to the CAD/CAM problem.

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