What is the intersection and union methods?
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how can we synchronize Hash map?
What is scope & storage allocation of static, local and register variables? Explain with an example.
What is hashing principle in java?
What is map and hashmap in java?
Explain what is Marker interface?
Which method is used to find that the object is exited or not?
what are three ways in which a thread can enter the waiting state? : Java thread
Define how objects are stored in java?
What is gc()?
What are Encapsulation, Polymorphism and Inheritance?
Explain throw keyword in java?
What is the use of bufferedreader?