What is null mean in java?
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What is unicode in java?
Marker interface means , interface which has no methods.Then what is the necessity of its usage.I read "it tells the compiler that it should be treated differently ". "It is used to store state of an object". But still am not clear.Please explain clearly.
Explain the difference between the public, private, final, protected, and default modifiers?
What is a parameter in simple terms?
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What is meant by throwing an Exception?
What is getkey () in java?
What is the basic concept of java?
Which is faster call by value or call by reference?
What is the difference between static and non-static variables?
How OOPS concept is achieved in Java?
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Explain Event handling in AWT?