What is a default method? Why do we need default methods in java 8 interfaces?
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Describe the Diamond problem. Where does this problem occur?
What is a static method? Why do we need static methods in java 8 interfaces?
What is super keyword?
Which OOPS concept exposes only the necessary information to the calling functions?
What is an USECASE? Why it is needed?
What is a friend function?
What is the order of call of constructors in inheritiance?
What interface must an object implement before it can be written to a stream as an object?
What is serialization? How do we implement serialization actually?
What is the difference between an abstract class and interface in java?
Why does the function arguments are called as "signatures"?
Explain the mechanism of composition?