Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.fsmpi.rwth-aachen.de!newsfeed1.swip.net!newsfeed2.funet.fi!newsfeeds.funet.fi!feeder1.news.elisa.fi!uutiset.elisa.fi!7564ea0f!not-for-mail
From: Jukka Lahtinen <jtfjdehf@hotmail.com.invalid>
Newsgroups: comp.lang.java.programmer
Subject: Re: Java blunders
Organization: N/A
References: <jvbts91r2f9onj1e3dbr5lvqp70hmofkum@4ax.com> <53cef75d$0$291$14726298@news.sunsite.dk> <7s6vs9p395bretqrtdvh9i6til83vfk52p@4ax.com> <53d04b5f$0$291$14726298@news.sunsite.dk> <sip0t9dqg0c77e7u4o7vo2brs8chsdqok7@4ax.com> <lr6bfm$1vr$1@gregory.bnet.hr> <lr6cdv$se9$1@dont-email.me>
X-no-archive: yes
Content-Transfer-Encoding: 8bit
Message-ID: <lvy4vb8b9w.fsf@saunalahti.fi>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)
Cancel-Lock: sha1:Cb+0maFnHvYVlRET0Zo/neaGGdU=
MIME-Version: 1.0
Content-Type: text/plain
Lines: 23
Date: Wed, 30 Jul 2014 12:07:55 +0300
NNTP-Posting-Host: 91.155.88.191
X-Complaints-To: newsmaster@saunalahti.com
X-Trace: uutiset.elisa.fi 1406711275 91.155.88.191 (Wed, 30 Jul 2014 12:07:55 EEST)
NNTP-Posting-Date: Wed, 30 Jul 2014 12:07:55 EEST
Xref: csiph.com comp.lang.java.programmer:29437

Eric Sosman <esosman@comcast-dot-net.invalid> writes:

> On 7/28/2014 4:23 PM, Josip Almasi wrote:
>> It's about how operator gets interpreted:
>> out.println ( new StringBuffer("the answer is ").append(new
>> StringBuffer(a + b)).append(new StringBuffer("."));

>     Why do you think this is so?  javac 1.8.0_11 compiles it to
> the equivalent of
> 	out.println(new StringBuilder()
> 	    .append("the answer is ")
> 	    .append(a + b)
> 	    .append(".")
> 	    .toString());

You could drop one append call by using another constructor:
    out.println(newStringBuilder("the answer is ")
        .append(a + b)
        .append(".")
        .toString());

-- 
Jukka Lahtinen