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While finding the correct location for saving key value pair, how many times the key is hashed?

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While finding the correct location for saving key value pair, how many times the key is hashed?

(a) 1

(b) 2

(c) 3

(d) unlimited till bucket is found

I have been asked this question during an interview for a job.

This interesting question is from Data Structures-HashMap in chapter java.util – The Collections Framework of Java

1 Answer

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The correct choice is (b) 2

Explanation: The key is hashed twice; first by hashCode() of Object class and then by internal hashing method of HashMap class.

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