What is the practical implementation of inner classes?
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What is the difference between abstract & interface?
Can we override a method by using same method name and arguments but different return types?
Write about abstract base classes?
Write a program to show the inheritance used in a class.
Explain persistence?
What is the abstract method modifier?
Difference between composition and inheritance ?
Can a class in java be inherited from more than one class?
Is it possible to provide method implementations in java interfaces? If possible, how do we provide them?
How to define an interface?
Explain about Overloading vs Overriding ?
Differentiate between Aggregation and containment?