What is the purpose of the file class in java programming?
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What is the use of StringTokenizer class?
What is lambda in java?
What is a local, member and a class variable?
Is it compulsory for a try block to be followed by a catch block in java for exception handling?
Does java runtime require a license?
What is final?
suppose we have an interface & that interface contains five methods. if a class implements that interface then we have to bound that to give tha definition of all five methods in that class. If we declare that class as abstract then can we call only two methods to give the deinition of that method & i don't want to give the definition of all the methods? can it possible
What is Overriding and how can it be used?
what is Dictionary? and what purpose it is used for?
Give an example of call be reference significance.
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Why null interfaces are used in Java?