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Groups > comp.lang.java.programmer > #26565
| From | markspace <markspace@nospam.nospam> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: the true literal |
| Date | 2013-11-21 19:57 -0800 |
| Organization | A noiseless patient Spider |
| Message-ID | <l6mko6$8ii$1@dont-email.me> (permalink) |
| References | <true-20131122032105@ram.dialup.fu-berlin.de> |
On 11/21/2013 6:24 PM, Stefan Ram wrote: > The JLS says: > > »While true and false might appear to be keywords, > they are technically Boolean literals (§3.10.3).« > > What is a keyword? > > I used to think that a keyword is a words whose meaning is > given by the language specification and that cannot be > declared as an identifier in source code. I believe that all > of this applies to »true«. So, why then it is not called a > keyword in Java? > I think maybe this is an issue for language purists, but if you think of 'true' and 'false' as values, then obviously they're literals. Keywords have no value, and can't be assigned or used in an expression. int i = for; Makes no sense. + and - aren't keywords, they're operators. Different word again for different thing. So 'true' might look like a keyword, but it's really like 1 or 3.0 or null. It represents a value that can be assigned or used in an expression. true | false;
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Re: the true literal markspace <markspace@nospam.nospam> - 2013-11-21 19:57 -0800
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