What is int lol?
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Iterator in the HashMap is fail-safe means what?
Explain static nested classes ?
why java is platform independent?
What are design patterns and please explain?
What happens when heap memory is full?
how to make hashmap object as synchronized object?
Is null a string or object in java?
What is regex java?
Explain about the interpreter in java?
Is vector ordered in java?
Have you ever used hashtable and dictionary?
What is an immutable object? How do you create one in java?