What Design Patterns are mostly used in Web/Enterprise Applications?

design-patterns web-applications enterprise
Rachel picture Rachel · Jan 9, 2010 · Viewed 19k times · Source

What are some of the most common Design Patterns that are used in Web/Enterprise Application and why they are used ?

Note: Answer to why part should be based upon listing the problems which they tend to solve ?

Answer

NotMe picture NotMe · Jan 9, 2010

I use Inversion of Control a lot.

In particular, when persisting / loading objects. It helps when we're not sure if the data is going to come from a database, a web service, or some other mechanism.

By using an interface and allowing multiple sources to expose a simple API for save / retrieving and allowing the object itself to know which API calls to make we end up with a very easy to manage architecture.

One example of this is here.

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