Assume N and hashCode are positive and N is an integer of power of 2, hashCode % N is the same as hashCode & (N - 1) is true.
What type of value is returned by the hashCode () method?
- HashCode(), in its simplest form, simply returns an integer value produced by a hashing algorithm. The hash code must match for objects that are the same (as determined by their equals()).
- They check hash values using the hashCode() function.
- If equals() is overridden, hashCode() need not be as well. If hashCode() is overridden, equals() does not need to be as well. No matter what object called hashCode(), it can always return the same result.
- The hashCode() method's declaration is provided below: hashCode() is a public function that is available to everyone (int value)
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