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Methodology of Software Development - Lecture 11
Design Patterns
Inspired by the work of Christopher Alexander, who first
Inspired by the work of Christopher Alexander, who first
described patterns in Architecture:
described patterns in Architecture:
“
“
Each pattern describes a problem which occurs over and
Each pattern describes a problem which occurs over and
over again in our environment, then describes the core of
over again in our environment, then describes the core of
the solution to that problem, in such a way that you can use
the solution to that problem, in such a way that you can use
this solution a million times over, without ever doing it the
this solution a million times over, without ever doing it the
same way twice
same way twice
”
”
“An idea that has been useful in one practical context and
“An idea that has been useful in one practical context and
will probably be useful in others”
will probably be useful in others”
What is a Pattern?
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