What is use of map in java?
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Explain scope or life time of local variables in java?
Difference between final and effectively final ? Why is effectively final even required ?
Is java call by reference?
From the two, which would be easier to write: synchronization code for ten threads or two threads?
Garbage collection in java?
What is java ceil?
Explain implementation and how is it different from conversion?
What exactly is a .class file?
Why set do not allow duplicates in java?
List some java keywords sun like c, c + + keywords?
What are the types of sockets in java?
Difference between association, composition and aggregation?