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Categories  >>  Software  >>  Software Design  >>  Design Patterns
 
 


 

 
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Question
Which Design Patterns you know?
 Question Submitted By :: Swapna
I also faced this Question!!     Rank Answer Posted By  
 
  Re: Which Design Patterns you know?
Answer
# 1
Hi... For this question u can answer like Singleton design 
pattern ,DAO and DTO,MVC.
 
Is This Answer Correct ?    2 Yes 1 No
Devarathnam C,kotagudibanda(po
 
  Re: Which Design Patterns you know?
Answer
# 2
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 ?    7 Yes 0 No
Sanjay Sao
 
 
 
  Re: Which Design Patterns you know?
Answer
# 3
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 ?    5 Yes 0 No
Sri
 
  Re: Which Design Patterns you know?
Answer
# 4
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 1 No
Srujan
 

 
 
 
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