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|Like Discuss Correct / Improve  design patterns Asked in 17 Companies intermediate   frequent|
|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 ?|