What is an abstract class and what is it’s purpose?
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Explain the polymorphism principle?
what is object deep copy and shallow copy and why it is required?
What are the various access specifiers in java?
What is the largest data type in java?
What is logical variable?
Write a java program that prints all the values given at command-line.
Why java does not supports multiple inheritance?
Can we overload the constructors?
How hashset works internally in java?
What do you mean by garbage collection used in java?
Differentiate between class and structure.
Why is a constant variable important?