Best websites for design patterns? [closed]

Answer 1

This is a great site. It shows what the code looks like before the design pattern is applied, and what it looks like after. This is very useful for just starting to learn patterns and refactoring.

Answer 2

Wikipedia has an article on design patterns and discusses several patterns in various levels of detail. It's not organized in quite the same way. Here's the link: http://en.wikipedia.org/wiki/Design_pattern_(computer_science)

Answer 3

A comprehensive guide about design patterns can be found at http://www.oodesign.com/

One of the nice book for design patterns is Head First Design Patterns.

Answer 4

Here are the patterns from the book "Patterns of Enterprise Application Architecture" by Martin Fowler.

Here are the patterns from the book "Enterprise Integration Patterns" by Gregor Hohpe and Bobby Woolf

Answer 5

For applications using the Microsoft stack: Pattern and Practices Developer Center

Answer 6

For web sites and web applications, http://developer.yahoo.com/ypatterns/

For the "original" Gang Of Four software patterns: http://www.dofactory.com/Patterns/Patterns.aspx