What is hashset in java?


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More Core Java Interview Questions

What are byte codes?

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Why do we need hashset in java?

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What is equals method in java?

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How can we pass argument to a function by reference instead of pass by value?

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What is a vararg?

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Explain the concept of polymorphism with examples?

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How do you declare an empty string?

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Can a class have 2 constructors?

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What happens if we override private method?

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How do you implement tree mirroring in java?

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Why can we not override static method?

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What do you mean by collectors in java 8?

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