Explain basic concepts of OOPS?
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What does the “abstract” keyword mean in front of a method? A class?
How can I be thrown polymorphically?
What is the difference between an Abstract class and Interface?
Difference: Activity Diagram and Sequence Diagram
What is data abstraction? what are the three levels of data abstraction with Example?
What is an USECASE? Why it is needed?
what is meant by "method-wars"?
Can an interface have an inner class?
What is the syntax of object oriented method call?
Who is an Actor?
Can link and Association applied interchangeably?
What does it mean that a method or class is abstract?