Path: csiph.com!x330-a1.tempe.blueboxinc.net!newsfeed.hal-mli.net!feeder1.hal-mli.net!feeder.news-service.com!feeder.news-service.com!94.75.214.39.MISMATCH!aioe.org!.POSTED!not-for-mail
From: supercalifragilisticexpialadiamaticonormalizeringelimatisticantations <supercalifragilisticexpialadiamaticonormalizeringelimatisticantations@averylongandannoyingdomainname.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Why "lock" functionality is introduced for all the objects?
Date: Tue, 28 Jun 2011 14:54:23 -0400
Organization: supercalifragilisticexpialadiamaticonormalizeringelimatisticantations
Lines: 14
Message-ID: <iud80u$ci0$2@speranza.aioe.org>
References: <d0bb9e06-16f0-4282-a37e-47e9ca9630ec@r2g2000vbj.googlegroups.com> <iuce66$2nh$1@news.albasani.net> <iud083$2jr$1@news.onet.pl> <iud1u5$f4r$1@news.albasani.net> <iud4f6$lcm$1@news.onet.pl> <iud5js$nno$1@news.albasani.net> <iud66f$8al$1@speranza.aioe.org> <J5KdnRBP4eYkvZfTnZ2dnUVZ_jqdnZ2d@earthlink.com>
NNTP-Posting-Host: quLqbYjFExRqcR6wI1lYGQ.user.speranza.aioe.org
Mime-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
X-Complaints-To: abuse@aioe.org
User-Agent: WinVN 0.99.12z (x86 32bit)
X-Notice: Filtered by postfilter v. 0.8.2
Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:5747

On 28/06/2011 2:42 PM, Patricia Shanahan wrote:
> Each String instance has the following fields:
>
> private final char value[];
> private final int offset;
> private final int count;
> private int hash;
>
> There are 12 bytes in addition to the char array. The offset and count
> fields allow quick sub-string construction, and hash is used to cache
> the hashCode result.

Oh, geez, even *more* overhead. And let's not forget the array has its 
own separate object header and length field!