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|Interview Questions and Answers|
|Ans. Builder ( While Writing Unit Tests )|
Prototype ( Cloning )
Adapter ( asList , toString )
Chain Of Responsibility ( Logging )
Factory ( Action Mapping )
Observer ( Event Listener )
MVC ( Web frameworks )
Filter ( Criteria )
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|Like Discuss Correct / Improve  Design Patterns  widely used Design patterns intermediate   frequent|
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|What is MVC ?|
|What is Dependency Injection or IOC ( Inversion of Control ) ?|
|What are the Wrapper classes available for primitive types ?|
|Difference between Factory and Abstract Factory Design Pattern ?|
|Difference between Factory and Builder Design Pattern ?|
|What are the disadvantages of Design Patterns ?|
|What Design pattern Wrapper Classes implement ?|
|Difference between Proxy and Adapter ?|
|Difference between Adapter and Facade ?|
|Difference between Builder and Composite ?|