What is the main use of message metaphor in object-oriented programming?
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What is super keyword?
Explain about parametric polymorphism?
Explain what is meant by polymorphism?
What is a final variable?
What are abstract functions? Why are they used?
What is difference between encapsulation and abstraction?
What is an abstraction and why is it important?
Why do we use oops concepts? What is its advantage?
What are the methods required to create changes in subclasses?
What is a try/ catch block?
What are the different principle of OOPS?
What is the use if instanceof keyword? And how do refer to a current instance of object?