What are sealed modifiers?
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Explain about inheritance?
Explain what an object is.
Why use oops?
Write a note about inheritance?
What's the main difference between arraylist / hashmap and vector / hashtable?
How do I make sure that an object is released in code such as a connection or file object?
Can I implement polymorphism using abstract class?
What are manipulators?
Can we override static methods of a class?
What is the abstract method modifier?
What are abstract methods?
What are the problems faced by the developer using object oriented programming language?