Groups > comp.lang.java.programmer > #27096

Re: literals and keywords

From	markspace <markspace@nospam.nospam>
Newsgroups	comp.lang.java.programmer
Subject	Re: literals and keywords
Date	2013-12-28 08:59 -0800
Organization	A noiseless patient Spider
Message-ID	<l9n026$7to$1@dont-email.me> (permalink)
References	<keywords-20131228171259@ram.dialup.fu-berlin.de>

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On 12/28/2013 8:15 AM, Stefan Ram wrote:
>    Does it matter?
>
>    Can you find any program, where one can observe the difference?
>    E.g., some program that does compile because they are not keywords,
>    but would not compile when they were keywords, or vice versa?
>    Or are there any other observable consequences of this difference?
>

Yes, it matters, or they wouldn't make a distinction.  We talked about 
this already:  literals can be used in expressions, keywords can't.  The 
observable difference is in the implementation of the JLS.

<http://docs.oracle.com/javase/specs/jls/se7/html/jls-15.html#jls-15.8>

You can write "int i = 1 + 2;" but you can't write "Object o = for + 
try;" because that section of the JLS says so.  Read it.

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Re: literals and keywords markspace <markspace@nospam.nospam> - 2013-12-28 08:59 -0800
  Re: literals and keywords "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2013-12-28 17:28 +0000
  Re: literals and keywords markspace <markspace@nospam.nospam> - 2013-12-28 10:56 -0800
    Re: literals and keywords Arne Vajhøj <arne@vajhoej.dk> - 2013-12-28 14:53 -0500
      Re: literals and keywords markspace <markspace@nospam.nospam> - 2013-12-28 12:41 -0800
        Re: literals and keywords Arne Vajhøj <arne@vajhoej.dk> - 2013-12-28 16:36 -0500

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