What is aop in java?
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What is the difference between deep copy and shallow copy in java
What is jboss in java?
What is @override annotation in java?
Explain main thread under thread class execution?
What do you understand by a variable?
In a barber shop there are 2 doors. customer come in 1 door, leave in other. minimum # of chairs. barber spend his life in cutting. always barber can cut 1 customer. few chairs in the shop. if barber busy customer waits, if chairs full, customer leave. if no customer, barber sleeps. treat barber and customer as 2 threads. you can use Semaphore class with arrive and depart and count as parameter.
What is tuple2?
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differences between iterator and spliterator in java se 8?
What can open a jar file?
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What's the difference between local, global and universal groups? : java security