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|Describe, in general, how java's garbage collector works ?|
|What is a ConcurrentHashMap ?|
|What is Generalization and Specialization in terms of casting ?|
|What the Bean scopes provided by Spring ?|
|What are the various Auto Wiring types in Spring ?|
|When should we use prototype scope and singleton scope for beans ?|
|Which java frameworks have you used ?|
|When do we generally get this database error - integrity constraint violated - parent key not found ?|
|Write a program for Coin Changer application ?|
|When do we generally get the database error - Unique Constraint Violated ?|