Un-Answered Questions { OOAD }

What is single and multiple inheritance?

556


Explain what is single and multiple inheritance?

540


What is meant by overloading functions and operators?

570


What is abstraction? How does it differ from encapsulation

524


Explain what is polymorphism?

603


What is bootstrap, extension and system class loader? Or can you explain primordial class loader?

494


What are inner classes and what is the practical implementation of inner classes?

469


What is the use if instanceof keyword?

573


What is a constructor in class?

583


What is the use if instanceof keyword? And how do refer to a current instance of object?

554


What is bootstrap, extension and system class loader?

483


Can constructors be parameterized?

554


Define exceptions?

520


Can you explain primordial class loader?

489


What's the main difference between arraylist / hashmap and vector / hashtable?

536