What does the “abstract” keyword mean in front of a method? A class?
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What is polymorphism? When is it employed? give an example.
Explain about message passing in object oriented programming?
Can a function be overloaded based on return types?
What are inner classes and what is the practical implementation of inner classes?
Difference between abstraction and implementation hiding ?
What is the use if instanceof keyword?
What are all the operators that cannot be overloaded?
Why do we use oops concepts? What is its advantage?
What is an abstraction and why is it important?
Can you instantiate an abstract class and what is an inner class?
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What are different types of arguments?
Which keyword can be used for overloading?