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Groups > comp.lang.java.programmer > #31095
| From | Marcel Mueller <news.5.maazl@spamgourmet.org> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: "null", polymorphism and TCO |
| Date | 2015-02-09 11:36 +0100 |
| Organization | MB-NET.NET for Open-News-Network e.V. |
| Message-ID | <mba2ip$3nr$1@gwaiyur.mb-net.net> (permalink) |
| References | <null-20150208185452@ram.dialup.fu-berlin.de> <mcmurtrie-19F4EE.23064308022015@news.sonic.net> |
On 09.02.15 08.06, Kevin McMurtrie wrote:
> If Oracle ever optimizes away the String(String) constructor it's going
> to break a lot of code where I have to terminate String queues with
> something like this:
>
> static final String endOfQueue= new String("end");
>
> ...
>
> while ((item= queue.take()) != endOfQueue)
> {
> ...
> }
> queue.put(endOfQueue);
The reference equality trick (instead of null) will work with /any/
other object as well. There is no need for String(String).
Marcel
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Re: "null", polymorphism and TCO Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2015-02-08 23:06 -0800
Re: "null", polymorphism and TCO Marcel Mueller <news.5.maazl@spamgourmet.org> - 2015-02-09 11:36 +0100
Re: "null", polymorphism and TCO Kevin McMurtrie <mcmurtrie@pixelmemory.us> - 2015-02-09 20:35 -0800
Re: "null", polymorphism and TCO Marcel Mueller <news.5.maazl@spamgourmet.org> - 2015-02-10 10:37 +0100
Re: "null", polymorphism and TCO Joshua Cranmer 🐧 <Pidgeot18@verizon.invalid> - 2015-02-10 12:51 -0600
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