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Groups > comp.lang.java.programmer > #33558
| From | Arne Vajhøj <arne@vajhoej.dk> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: Assignment or Initialization? |
| Date | 2016-02-01 20:55 -0500 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <n8p2a4$8jg$1@gioia.aioe.org> (permalink) |
| References | <assignment-20160201130855@ram.dialup.fu-berlin.de> <n8oa1b$tq9$2@dont-email.me> |
On 2/1/2016 2:03 PM, 4ndre4 wrote: > On 01/02/2016 12:23, Stefan Ram wrote: > [...] >> final int i; >> i = 3; > > This is illegal. No. It is valid Java. > final int i = 3; > > is the correct form: initialization. Both forms are correct (assuming correct means: valid syntax and well defined semantics). In this particular case it is the best form. Bit in more complex cases with if and switch then the original form becomes necessary. > You can't declare a final variable > and THEN assign a value to it, unless you are in a constructor, in which > case it's still an initialization. No. That is not how Java is. In fact the JLS section about final start with: "Once a final variable has been assigned, it always contains the same value." so final variables do get assigned (in Java terminology). Ref: https://docs.oracle.com/javase/specs/jls/se8/html/jls-4.html#jls-4.12.4 Arne
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Re: Assignment or Initialization? 4ndre4 <4ndre4@4ndre4.com.invalid> - 2016-02-01 19:03 +0000
Re: Assignment or Initialization? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-02-01 14:47 -0500
Re: Assignment or Initialization? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2016-02-01 12:31 -0800
Re: Assignment or Initialization? Eric Sosman <esosman@comcast-dot-net.invalid> - 2016-02-01 16:03 -0500
Re: Assignment or Initialization? Jerry Stuckle <jstucklex@attglobal.net> - 2016-02-01 19:52 -0500
Re: Assignment or Initialization? Arne Vajhøj <arne@vajhoej.dk> - 2016-02-01 20:46 -0500
Re: Assignment or Initialization? Wayne <nospam@all.invalid> - 2016-02-01 23:39 -0500
Re: Assignment or Initialization? Jerry Stuckle <jstucklex@attglobal.net> - 2016-02-02 09:14 -0500
Re: Assignment or Initialization? 4ndre4 <4ndre4@4ndre4.com.invalid> - 2016-02-02 19:25 +0000
Re: Assignment or Initialization? Eric Douglas <e.d.programmer@gmail.com> - 2016-02-01 13:13 -0800
Re: Assignment or Initialization? 4ndre4 <4ndre4@4ndre4.com.invalid> - 2016-02-02 19:26 +0000
Re: Assignment or Initialization? Arne Vajhøj <arne@vajhoej.dk> - 2016-02-01 20:55 -0500
Re: Assignment or Initialization? 4ndre4 <4ndre4@4ndre4.com.invalid> - 2016-02-02 19:29 +0000
Re: Assignment or Initialization? Eric Douglas <e.d.programmer@gmail.com> - 2016-02-02 11:44 -0800
Re: Assignment or Initialization? Lew <lewbloch@gmail.com> - 2016-02-02 13:16 -0800
Re: Assignment or Initialization? Lew <lewbloch@gmail.com> - 2016-02-02 13:15 -0800
Re: Assignment or Initialization? Arne Vajhøj <arne@vajhoej.dk> - 2016-02-02 18:13 -0500
Re: Assignment or Initialization? Silvio <silvio@internet.com> - 2016-02-03 12:10 +0100
Re: Assignment or Initialization? Eric Douglas <e.d.programmer@gmail.com> - 2016-02-03 05:14 -0800
Re: Assignment or Initialization? Lew <lewbloch@gmail.com> - 2016-02-03 13:39 -0800
Re: Assignment or Initialization? Lew <lewbloch@gmail.com> - 2016-02-02 10:32 -0800
Re: Assignment or Initialization? 4ndre4 <4ndre4@4ndre4.com.invalid> - 2016-02-02 19:22 +0000
Re: Assignment or Initialization? Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2016-02-03 09:03 -0800
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