Explain about the relationship between object oriented programming and databases?
How many methods are there in the externalizable interface?
What if we make the method as abstract in another interface?
What is the use if instanceof keyword?
What is the difference between aggregation and composition?
What is function override?
Write down how will you create a Binary tree?
In winform my controls [taskbar and progressbar] become inactive when heavy processing is going in background, how to avoid this via multithreading
Explain serialization and overriding?
Why are virtual users created?
What is the benefit of using inheritance?
Explain about object oriented databases?
Why is class hierarchies managed in object-oriented programming?