Can we return null in java?
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Can there be an abstract method without an abstract class?
Is 0 a prime number?
Explain about serializable interface in java?
What is the java virtual machine?
Can we declare main () method as non static?
Is ++ operator is thread safe in java?
Can an object be garbage collected while it is still reachable?
What is isa relationship?
y cant i declare method like public final static show()
Is array a class?
adapter class ?
What is array length?