CSC/ECE 517 Fall 2011/ch4 4h kp: Difference between revisions
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===Definition=== | ===Definition=== | ||
Some of the common definitions available online are as follows. | Some of the common definitions available online are as follows. | ||
*"In [http://en.wikipedia.org/wiki/Software_engineering software engineering], a design [http://en.wikipedia.org/wiki/Pattern pattern] is a general reusable solution to a commonly occurring problem within a given context in [http://en.wikipedia.org/wiki/Software_design software design]. A design pattern is not a finished design that can be transformed directly into [http://en.wikipedia.org/wiki/Code_(computer_programming) code]. It is a description or template for how to solve a problem that can be used in many different situations. [http://en.wikipedia.org/wiki/Object-oriented Object-oriented] design patterns typically show relationships and [http://en.wikipedia.org/wiki/Interaction interaction]s between [http://en.wikipedia.org/wiki/Class_(computer_science) class]es or [http://en.wikipedia.org/wiki/Object_(computer_science) object]s, without specifying the final application classes or objects that are involved." | *"In [http://en.wikipedia.org/wiki/Software_engineering software engineering], a design [http://en.wikipedia.org/wiki/Pattern pattern] is a general reusable solution to a commonly occurring problem within a given context in [http://en.wikipedia.org/wiki/Software_design software design]. A design pattern is not a finished design that can be transformed directly into [http://en.wikipedia.org/wiki/Code_(computer_programming) code]. It is a description or template for how to solve a problem that can be used in many different situations. [http://en.wikipedia.org/wiki/Object-oriented Object-oriented] design patterns typically show relationships and [http://en.wikipedia.org/wiki/Interaction interaction]s between [http://en.wikipedia.org/wiki/Class_(computer_science) class]es or [http://en.wikipedia.org/wiki/Object_(computer_science) object]s, without specifying the final application classes or objects that are involved." <ref>[http://en.wikipedia.org/wiki/Design_pattern_(computer_science) Design Pattern in Computer Science, Wikipedia]</ref> | ||
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Revision as of 01:04, 21 October 2011
Introduction
This wiki article discusses about some of the commonly used & easy to understand Desgin patterns[1] in the software industry. Specifically, we will be studying about the Singleton, Adapter, Command & Strategy patterns.
Design Pattern
Definition
Some of the common definitions available online are as follows.
- "In software engineering, a design pattern is a general reusable solution to a commonly occurring problem within a given context in software design. A design pattern is not a finished design that can be transformed directly into code. It is a description or template for how to solve a problem that can be used in many different situations. Object-oriented design patterns typically show relationships and interactions between classes or objects, without specifying the final application classes or objects that are involved." <ref>Design Pattern in Computer Science, Wikipedia</ref>
Examples
Singleton
Adapter
Command
Strategy
Conclusion
References
<references/>