Is the empty set a singleton?
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How to convert String into primitive datatype.
What is synchronization and why is it important in java programming?
What is the current version of java?
Life Cycle of Thread
what is filters and its use?
What is the purpose of nested class in java?
What is difference between iterator and enumeration in java?
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what is ABSTRACTION and what are using in real time project?
What is get () in java?
How to perform linear search in java?
Can a class extend more than one class?