What interface must an object implement before it can be written to a stream as an object?
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what are the main underlying concepts of object orientation?
Explain about the analysis phase?
What is the main use of message metaphor in object-oriented programming?
What is an interface?
How a program can be structured using the concept of object oriented programming?
What is polymorphism and abstraction?
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What is an USECASE? Why it is needed?
Why are virtual users created?
What is the difference between aggregation and composition?
What are abstract methods?
What is inheritance?
Differentiate between an abstract class and an interface?