Give any criteria when you use an abstract class and an interface?
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What is the difference between an error and an exception?
What is the difference between aggregation and composition?
What are the types of polymorphism?
What is the difference between new and override?
what is virtual function and pure virtual function ?
Why do we use oops concepts? What is its advantage?
What are the features of encapsulation ?
What are the different types of inheritance?
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Can link and Association applied interchangeably?
Define Destructor?