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Java Patterns

Arathi Raj
Ranch Hand

Joined: Nov 22, 2002
Posts: 90
Can any body tell me what Java Patterns are? Where can I find more details about that.
Jessica Sant

Joined: Oct 17, 2001
Posts: 4313

Design patterns are kinds of "recipes" an abstract description of a best practice to overcome a particular problem. Access a DataBase? check out DataAcessObject. Does your user interface change a lot? check out MVC.
If you want to get in depth into the world of design patterns (an excellent thing to do) check out these two books:
Core J2EE Patterns: Best Practices and Design Strategies, Second Edition
Design Patterns (also known as the Gang of Four book)
These are the two objectives for the test regarding design patterns:

13.1 Given a scenario description with a list of issues, select the design pattern (Value Objects, MVC, Data Access Object, or Business Delegate) that would best solve those issues.
13.2 Match design patterns with statements describing potential benefits that accrue from the use of the pattern, for any of the following patterns:
* Value Objects
* Data Access Object
* Business Delegate

[ July 31, 2003: Message edited by: Jessica Sant ]

- Jess
Blog:KnitClimbJava | Twitter: jsant | Ravelry: wingedsheep
Dani Mazzuca
Ranch Hand

Joined: May 21, 2003
Posts: 70
also you can find Sun free information of the 4/5 patterns that you should know for the exam at:
I agree. Here's the link:
subject: Java Patterns
jQuery in Action, 3rd edition