Groups > comp.lang.java.programmer > #10594

Re: Question re testing constructor

From	Lew <lewbloch@gmail.com>
Newsgroups	comp.lang.java.programmer
Subject	Re: Question re testing constructor
Date	2011-12-07 07:14 -0800
Organization	http://groups.google.com
Message-ID	<26281492.354.1323270874867.JavaMail.geo-discussion-forums@pret21> (permalink)
References	<Xns9FB3682A7DBF6jpnasty@94.75.214.39> <jblc1i$n6u$1@dont-email.me> <null-20111206201830@ram.dialup.fu-berlin.de> <Xns9FB3B1EDDE309vaj4088ianshef@138.125.254.103>

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Ian Shef wrote:
> Discussion:  The JLS seems to treat casting separately from the operations 
> (such as calling a method) that would follow a cast.  It "feels like" this 
> doesn't need to be the case.  Thus I agree with Stefan that it "feels like" 
> the compiler or an IDE could catch this at compile time (Eclipse does not) if 
> the JLS permitted or required it.  Perhaps someone can explain why this is 
> not the case.

Short answer: Because despite its best efforts, the compiler cannot cure 
stupidity.

The compiler likely sees this as not different from 
'((PrintStream)variable).println()', i.e., as a candidate for a 
'NullPointerException' rather than a compiler error.

-- 
Lew

Thread

Question re testing constructor Novice <novice@example..com> - 2011-12-06 15:14 +0000
  Re: Question re testing constructor markspace <-@.> - 2011-12-06 07:23 -0800
    Re: Question re testing constructor Novice <novice@example..com> - 2011-12-06 17:17 +0000
    Re: Question re testing constructor Tom Anderson <twic@urchin.earth.li> - 2011-12-06 21:25 +0000
    Re: Question re testing constructor Ian Shef <invalid@avoiding.spam> - 2011-12-07 00:29 +0000
      Re: Question re testing constructor Patricia Shanahan <pats@acm.org> - 2011-12-06 19:28 -0800
      Re: Question re testing constructor Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-12-06 22:57 -0600
      Re: Question re testing constructor Lew <lewbloch@gmail.com> - 2011-12-07 07:12 -0800
      Re: Question re testing constructor Lew <lewbloch@gmail.com> - 2011-12-07 07:14 -0800
        Re: Question re testing constructor Ian Shef <invalid@avoiding.spam> - 2011-12-07 15:59 +0000
          Re: Question re testing constructor Ian Shef <invalid@avoiding.spam> - 2011-12-08 19:19 +0000
      Re: Question re testing constructor ilAn <idonot@wantspam.net> - 2011-12-07 20:41 +0200
  Re: Question re testing constructor Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-12-06 07:34 -0800
    Re: Question re testing constructor Novice <novice@example..com> - 2011-12-06 17:15 +0000
  Re: Question re testing constructor Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2011-12-06 09:49 -0800
  Re: Question re testing constructor Roedy Green <see_website@mindprod.com.invalid> - 2011-12-06 16:40 -0800
  Re: Question re testing constructor Henk van Voorthuijsen <voorth@xs4all.nl> - 2011-12-07 00:33 -0800

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