Posts by Aloysio Figueiredo • 1 point

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  A: Why does String hashcode() in Java use 31 as a multiplier?

  Joshua Bloch, One of the developers of the Java platform, gave a good explanation in his book "Effective Java" (2nd Edition): The value 31 was chosen because it is an odd prime. If it were even and…

  java string algorithm hash hashcode

  answered 5 years, 4 months ago Aloysio Figueiredo 1