Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!aioe.org!.POSTED!not-for-mail From: Roedy Green Newsgroups: comp.lang.java.programmer Subject: Re: string case clauses Date: Sun, 11 Sep 2011 15:33:06 -0700 Organization: Canadian Mind Products Lines: 17 Message-ID: References: <2oop671bkkrj4kg2cn59nq46ns1qg0n0qe@4ax.com> Reply-To: Roedy Green NNTP-Posting-Host: RCd/Ul4tyxGUBII8WGwa5g.user.speranza.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Complaints-To: abuse@aioe.org X-Notice: Filtered by postfilter v. 0.8.2 X-Newsreader: Forte Agent 6.00/32.1186 Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:7834 On Sun, 11 Sep 2011 12:00:15 -0500, Joshua Cranmer wrote, quoted or indirectly quoted someone who said : >1. Switch on the hashcode. >2. Verify string equalities using a linear switch for all strings that >have the same hashcode. ouch. That amounts to a linear search comparing hashcodes. So it is not a good idea to replace HashMap lookups with String switches. -- Roedy Green Canadian Mind Products http://mindprod.com The modern conservative is engaged in one of man's oldest exercises in moral philosophy; that is, the search for a superior moral justification for selfishness. ~ John Kenneth Galbraith (born: 1908-10-15 died: 2006-04-29 at age: 97)