Why set is used in java?
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What is a list in java?
List some features of the abstract class.
What are the differences between heap and stack memory?
What is a classloader in java?
Explain enumeration in java?
Explain the relationship between the Canvas and Graphics class?
How to read and write image from a file ?
Can we create constructor in abstract class ?
use of wrapper classes?
How do singleton patterns work?
In Inheritance if we are implementing Multi level inheritance and all class having same name of variable and now i want to access each class variable and how it is possible?
What is an abstract method in java programming?