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Groups > comp.lang.java.programmer > #33575
| Subject | Re: Assignment or Initialization? |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| References | <assignment-20160201130855@ram.dialup.fu-berlin.de> <n8oa1b$tq9$2@dont-email.me> |
| From | Daniel Pitts <newsgroup.nospam@virtualinfinity.net> |
| Message-ID | <Zpqsy.229013$Gc6.58365@fx08.iad> (permalink) |
| Date | 2016-02-03 09:03 -0800 |
On 2/1/16 11:03 AM, 4ndre4 wrote:
> On 01/02/2016 12:23, Stefan Ram wrote:
>
> [...]
>> final int i;
>> i = 3;
>
> This is illegal.
>
> final int i = 3;
>
> is the correct form: initialization. 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.
>
You are confusing C++ with Java.
final int i;
if (something()) {
i = 3;
} else {
i = 5;
}
is perfectly valid. As long as it is assigned "exactly once" before it
is read, the compiler is happy.
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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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