Un-Answered Questions { OOAD }

What is single and multiple inheritance?

556


Explain what is single and multiple inheritance?

543


What is meant by overloading functions and operators?

572


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?

496


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

470


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?

484


Can constructors be parameterized?

555


Define exceptions?

524


Can you explain primordial class loader?

490


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

537