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Introduction to Software Design Patterns

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This is a presentation I did for the company I work Digital Origin. Its an introduction about architecting software solutions using Design Patterns.  Hope you like it.

What is a Design Pattern "Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice"
- Cristopher Alexander -
"Is a general resuable solution to common ocurring problems. It is a description of template for how to solve a problem in different situations"
- Wikipedia - Prerequisites & Basic Principles These are the basic principles one should be concerned before applying patterns. Use Object Oriented languageUse of AbstractionUse of EncapsulationUse High CohesionUse Loose CouplingUse Open - Closed prinipleUse Separation Of ConcernsUse Dependency InversionSeparate volatile from Stable componentsUse Interfa…