What is the main advantage of using inheritance?
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What is abstraction? How does it differ from encapsulation
Does java support multiple inheritance? if not, what is the solution?
What is a static method? Why do we need static methods in java 8 interfaces?
What does the “abstract” keyword mean in front of a method? A class?
What is the diffrence between an abstract class and interface?
Define exceptions?
What's the main difference between arraylist / hashmap and vector / hashtable?
How to use CRC Cards for Class Design?
What is difference between polymorphism and normalization?
What is the main difference between a class and an object?
Why use oops?
What is an abstract property. Give an example?