Define Data Abstraction. What is its importance?
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Is class an Object? Is object a class?
Explain about the design phase?
Whether static method can use nonstatic members?
What are the various types of constructors?
Difference between Composition and Aggregation
What are the properties that are defined in an object model?
What is bootstrap, extension and system class loader? Or can you explain primordial class loader?
What are the rules to define a functional interface?
What is the @functionalinterface annotation?
What is serialization? How do we implement serialization actually?
Difference: 'uses', 'extends', 'includes'
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Explain the different types of constructors