Path: csiph.com!weretis.net!feeder8.news.weretis.net!eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: =?UTF-8?Q?Arne_Vajh=c3=b8j?= <arne@vajhoej.dk>
Newsgroups: comp.lang.java.programmer
Subject: Re: switch is shared declaration
Date: Wed, 24 May 2023 12:57:59 -0400
Organization: A noiseless patient Spider
Lines: 24
Message-ID: <u4lfmo$311sp$1@dont-email.me>
References: <af8aa265-141f-4887-8bae-83a9b2a0f9c1n@googlegroups.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Wed, 24 May 2023 16:58:01 -0000 (UTC)
Injection-Info: dont-email.me; posting-host="c39f57dca40f54b1529be7aef7fd9cfe"; logging-data="3180441"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1/I7/4DlFku4OYM1nR/qlpKvAsD67fvuGs="
User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0
Cancel-Lock: sha1:tcaPadiZwMr/GiQ0CxGFUi2ULMs=
Content-Language: en-US
In-Reply-To: <af8aa265-141f-4887-8bae-83a9b2a0f9c1n@googlegroups.com>
Xref: csiph.com comp.lang.java.programmer:39952

On 5/24/2023 8:15 AM, e.d.pro...@gmail.com wrote:
> I don't use a lot of switches so I hadn't realized this but:
> this is invalid:
> if (1==1) {
>    String s;
> } else {
>    s = "1";
> }
> 
> but this is fine:
> switch (1) {
> case -1:
>    String s;
>    break;
> case 1:
>    s = "1";
>    break;
> }

The entire switch sort of has to be a single scope due to
fall through (no break) being valid.

Arne