What is an object in java?


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More Core Java Interview Questions

Why do inner class cannot have static declaration except static nested class?

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What is the importance of hashcode() and equals() methods?

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What is a boolean in java?

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Why synchronization is important in java?

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What is HashTable?

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What is json parser in java?

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What is object data type?

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What is the intersection and union methods?

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When a lot of changes are required in data, which one should be a preference to be used? String or stringbuffer?

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Is 0 a real number?

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What is the use of toarray () in java?

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