Explain persistence?
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What does it mean that a method or class is abstract?
What is a Persistent, Transient Object?
What is the practical implementation of inner classes?
What is bootstrap, extension and system class loader?
What is a try/ catch block?
Can you create an instance of an abstract class?
What are inner classes and what is the practical implementation of inner classes?
What is method overriding?
What is the difference between public, private and protected access modifiers?
What is virtual multiple inheritance?
Explain about polymorphism?
Explain the usage of encapsulation?