What is the purpose of abstract class?
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What is a dynamic array java?
Why char array is preferred over string for storing password?
Where are the card layouts used?
Which is faster call by value or call by reference?
Is java jre still free?
Differentiate between overriding and overloading cases?
Can we override the private methods?
There are 2 methods in a class. Both have the same method signature except for return types. Is this overloading or overriding or what is it?
I want to persist data of objects for later use. What’s the best approach to do so?
What is a boolean in java?
Are arrays dynamic in java?
How to create a custom exception?