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Which Design Patterns you know?
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Answer / sanjay sao
The design pattern is broadly classified into
1. Creational (Factory, Abstract Factory, Singleton
Prototype, and Builder)
2. Structural (Composite)
3. Behavioural (Observer)
| Is This Answer Correct ? | 10 Yes | 0 No |
What is desing pattern?
Commonly accepted solution for a particular problem is
called design pattern.
We can classify the design patterns into two.
1. Java core patterns.
2. J2ee Design patters.
Core patterns.
1) Creational (Factory pattern, singleton pattern....etc)
2) Structural (Adaptor, Composite... etc)
3) Behavioural(Command, Template, Strategy... etc)
Entepise Patterns. (We can catagoize by layer)
1) Business Facade - Business Layer
2) Business Interface - Business Layer
3) DAO pattern - Persistent Layer
4) Composite View - Presentation Layer
5) synchronized - Presentation Layer
6) Service Locator... etc...
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / devarathnam c,kotagudibanda(po
Hi... For this question u can answer like Singleton design
pattern ,DAO and DTO,MVC.
| Is This Answer Correct ? | 2 Yes | 1 No |
Answer / srujan
It is mainly divided into 3 types
1) creational
2) structural
3) Behavioral
It can also be divided into class and Object
Creational Structural Behavioral
Class Adapter (Class) Template
Object Adapter(Object) Iterator
Builder State
Factory Strategy
Command
Mediator
Observer
| Is This Answer Correct ? | 2 Yes | 2 No |
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Design Patterns 
