The best analogy that I know is in the design and construction of buildings. The plans of a building don’t show every construction detail. They show where the walls go, but not how to build a wall. They show where the plumbing fixtures go, but not how to route pipes. When the building is constructed, design activities involving wall construction and pipe routing do happen, but the artifacts are rarely kept since the implementation speaks for itself. A carpenter, for example, may use a “stud-placement” pattern to build a strong wall. The design shows where the wall goes, but not how to build the wall
- CHAPTER 1 Preliminaries: OO and Design Patterns
- from Holub on Patterns: Learning Design Patterns by Looking at Code
- Publisher: Apress
- Released: September 2004
El diseño muestra donde van las cosas pero no como construirlas.
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