Un-Answered Questions { OOAD }

What is single and multiple inheritance?

567


Explain what is single and multiple inheritance?

555


What is meant by overloading functions and operators?

584


What is abstraction? How does it differ from encapsulation

532


Explain what is polymorphism?

614


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

509


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

479


What is the use if instanceof keyword?

587


What is a constructor in class?

595


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

567


What is bootstrap, extension and system class loader?

497


Can constructors be parameterized?

563


Define exceptions?

535


Can you explain primordial class loader?

501


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

549