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|Java - Interview Questions and Answers|
|Ans. We are using cluster of Web servers and Application servers. Load Balancer is used to manage the load between them. Down the layer we have middleware server and then DB server to access database.|
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|Like Discuss Correct / Improve  architecture   production support   java   servers   application support Asked in 7 Companies   frequent|
|What is a Lambda Expression ? What's its use ?|
|What is Lazy Initialization in Hibernate ?|
|If you are given a choice to use either ArrayList and LinkedList, Which one would you use and Why ?|
|Explain Flow of Spring MVC ?|
|What are the ways to avoid LazyInitializationException ?|
|Difference between first level and second level cache in hibernate ?|
|What is session tracking and how do you track a user session in servlets?|
|How does volatile affect code optimization by compiler?|
|Can you provide some implementation of a Dictionary having large number of words ?|
|What are the benefits of using Spring Framework ?|