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When did Strings start caching their hash codes?

April 26, 2017caching hash strings

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When did Strings start caching their hash codes?

1 Answer

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10 Posted

Location: http://www.jguru.com/faq/view.jsp?EID=289946 Created: Dec 30, 2000 Modified: 2000-12-30 19:27:02.099 Author: John Zukowski (http://www.jguru.com/guru/viewbio.jsp?EID=7) Starting with the 1.3 release of Java, the java.lang.String class will only calculate the hashcode once, when its first needed. Future calls to hashCode() will return the previously calculated value.