Which OOPS concept is used as a reuse mechanism?
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What is the use of ‘finalize’?
Can a class implement two interfaces having default method with same name and signature?
Define exceptions?
Why are virtual users created?
What is the diffrence between an abstract class and interface?
What's the main difference between arraylist / hashmap and vector / hashtable?
Comment: C++ "includes" behavior and java "imports"
How many methods do u implement if implement the serializable interface?
Explain about polymorphism?
What does it mean that a method or class is abstract?
Difference between encapsulation and data hiding ?
Explain about Overloading vs Overriding ?