What is nested interface?
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What is abstract class constructor called?
What are recursive functions?
What is array size in java?
What is difference between class and object in java?
What happens to a static var that is defined within a method of a class?
What is a marker interface?
What is the base class of all classes?
In multi-threading how can we ensure that a resource isn't used by multiple threads simultaneously?
How do you sort in descending order in java using collections sort?
What is the purpose of the enableevents() method?
What is an abstract class and what is it’s purpose?
Is oracle charging for java?