What is data abstraction? what are the three levels of data abstraction with Example?
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What is data encapsulation and what's its significance?
why do requirements change so much? after all, don't people know what they want?
A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?
What are the limitations of oops?
What is the difference between static and dynamic Classificaition.Give some examples.
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Why is message passing between the objects important?
How to define an abstract class?
Why are outlet connections required in object-oriented programming?
What are manipulators?
What are abstract methods?
What is composition? Explain the purpose of composition.
What is the difference between an abstract class and interface in java?