What is the main use of message metaphor in object-oriented programming?
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What are the problems faced by the developer using object oriented programming language?
What are the tools you used for OOAD?
Why do we separate interface from implementation?
How can we call the base method without creating an instance?
How will you define abstract classes?
Can you think of some nice examples where *multiple* actors are associated with a use case ?
Write a note on encapsulation?
Define Initialisation Purpose.
What is the difference between an abstract class and interface in java?
If a class inherits an interface, what are the 2 options available for that class?
Define Data Abstraction. What is its importance?
What are base class, sub class and super class?