What do you mean by virtual function and virtual classes?
Why are virtual users created?
What are the major differences between late and dynamic binding?
What is dynamic or run time polymorphism?
Name the different creational patterns in object oriented design?
What's the main difference between arraylist / hashmap and vector / hashtable?
What is the use if instanceof keyword?
Can you think of some nice examples where *multiple* actors are associated with a use case ?
Can you create an instance of an abstract class?
What is the difference between public, private and protected access modifiers?
What does the keyword virtual represented in the method definition?
How do I make sure that an object is released in code such as a connection or file object?
What are Classes and Objects?