How many methods are there in the externalizable interface?
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Give any criteria when you use an abstract class and an interface?
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How do I make sure that an object is released in code such as a connection or file object?
Can you create an instance for an abstract class?
Is it possible to override private virtual methods?
Why is OOP good?
A class inherits from 2 interfaces and both the interfaces have the same method name as shown below. How should the class implement the drive method for both car and bus interface?
Why does the function arguments are called as "signatures"?
How can we restrict inheritance for a class so that no class can be inherited from it?
Can you create an instance of an abstract class?
Explain the use of Vtable and what are the various problems to override the functions?
What are all the languages which support oop?
Can you think of some nice examples where *multiple* actors are associated with a use case ?