Design Patterns - Basics (II)
9 February 2008This post is in continuation of Design Patterns - Basics (I). Do read that before this one.
Lets talk about tiers. Tiers are basically layers. Java EE architecture essentially describes five tiers. A Tier is nothing but a logical division of components in a system. Each tier is loosely held with its adjoining tier. The five tiers Java EE describes are
- Client
- Presentation
- Business
- Integration
- Resource
Design Patterns and Tiers
Intercepting Filter (Presentation tier)
Model-View-Controller (Presentation tier)
Front Controller (Presentation tier)
Service Locater Business tier)
Business Delegate (Business tier)
Transfer Object (Presentation tier)
Related Posts:
- Design Patterns - Basics (I)
- Singleton - Creational Design Pattern (I)
- The Facade Design Pattern (I)
- Adapter design pattern
- The Strategy Design Pattern in Java(II)
- The Strategy Design Pattern in Java(I)
- Java Data Object (basics)
- The Observer Design Pattern(I)
- The Facade Design Pattern (II)
- Adapter design pattern (II)
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