What are a base class, subclass, and superclass?
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What is the super keyword?
What is a try/ catch block?
Explain the abstract class modifier?
What's the main difference between arraylist / hashmap and vector / hashtable?
What is the main difference between overloading and overriding?
What is the difference between public, private and protected access modifiers?
What are the Differentiate between abstraction and encapsulation.
What is a nested interface?
What are the good practices to use while designing for reuse?
What is data encapsulation and what's its significance?
What is multiple inheritance? How java 8 supports multiple inheritance?
What is meant by overloading functions and operators?