Why hashset is used in java?


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More Core Java Interview Questions

What is data type in java?

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What is use of set in java?

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What is the difference between stream and buffer?

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Explain importance of finally block in java?

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Which non-unicode letter characters may be used as the first character of an identifier?

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When do you get classcastexception?

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Define reflection.

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What are annotations in java?

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What is computer compiler?

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Can you call a method on a null object?

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explain the concept of virtual method invocation in polymorphism in detail?

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