What is an abstraction?
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Write basic concepts of oops?
Explain about overriding polymorphism?
Why do we separate interface from implementation?
What is an abstraction and why is it important?
Explain the mechanism of composition?
What's the main difference between arraylist / hashmap and vector / hashtable?
What is static polymorphism?
Which oops concept is used as reuse mechanism?
Can you create an instance of an abstract class?
what is meant by "method-wars"?
What's the benefit of using inheritance?
What is bootstrap, extension and system class loader?