What should I import for arraylist in java?
When is the finalize() called? What is the purpose of finalization?
How does hashset works in java?
What is CardLayout?
Differentiate between the constructors and methods in java?
What causes memory leaks in java?
What is java autoboxing?
Write a factorial program using recursion in java?
what is the Arraylist limit (maximum) by default ?
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What is difference between static class and singleton pattern?
What happens if we don’t define serial version uid?
What is merge sort in java?
What is a container in a gui?