Explain about instance in object oriented programming?
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Define a good interface?
In winform my controls [taskbar and progressbar] become inactive when heavy processing is going in background, how to avoid this via multithreading
What are different ways to create string object?
What are inner classes and what is the practical implementation of inner classes?
What is abstraction? How does it differ from encapsulation
Giving reasons explain two external responsibilities of a project manager.
What is the difference abstract class and interface?
Write about abstract base classes?
What is a subclass?
Explain about uml?
Differentiate between overloading and overriding.
What interface must an object implement before it can be written to a stream as an object?