How to define an abstract class?
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What are the interfaces you used in beans?
Can we use static method definitions in interfaces?
What is the use of interface?
How can we restrict inheritance for a class so that no class can be inherited from it?
What is Object Constraint Language (OCL)?
Difference between composition and inheritance ?
What is the main use of message metaphor in object-oriented programming?
What is the default access specifier in a class definition?
What is SRD(System Requirement document), FSD (Functional Specification Document), RSD (Requiremnet specific document)? If these are different document wat are there contents?
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How do we implement serialization actually?
What is the difference between an Abstract class and Interface?
Can I implement polymorphism using abstract class?