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Groups > comp.lang.java.programmer > #29976
| From | Knute Johnson <nospam@rabbitbrush.frazmtn.com> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: How does it know? |
| Date | 2014-09-14 07:48 -0700 |
| Organization | A noiseless patient Spider |
| Message-ID | <lv49sd$kuv$1@dont-email.me> (permalink) |
| References | <luv2fd$j58$1@dont-email.me> <main-20140912181753@ram.dialup.fu-berlin.de> <luvuvm$90e$1@dont-email.me> <c7lkrtF1khaU1@mid.individual.net> |
On 9/14/2014 06:52, Mike Amling wrote:
> On 9/12/14 6:18 PM, Knute Johnson wrote:
>> I'd like to figure out a way to store some sort of a reference to
>> Main.main() so that I could execute it.
>
> Any reason you don't want to use plain old reflection?
>
> import java.lang.reflect.Method;
> import java.lang.reflect.InvocationTargetException;
> import java.util.HashMap;
> ...
>
> Method callme;
> try {
> callme=test1.class.getDeclaredMethod("main",
> new Class[]{new String[0].getClass()});
> } catch (final NoSuchMethodException n) {
> return;
> }
> HashMap<String, Method> store=new HashMap<String, Method>();
> store.put("main", callme);
>
>
> try {
> store.get("main").invoke(null, new Object[]{new String[0]});
> } catch (final IllegalAccessException a) {
> } catch (final InvocationTargetException t) {
> }
>
> --Mike Amling
> Tm8gbmVlZCBmb3IgMS44LCBqdXN0IDEuMg==
That works and I guess that's what I'm going to end up with. I just
thought that since you can put test1.main() in a program that you could
get there from a String without quite so much code.
Thanks everybody for all the answers!
knute...
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How does it know? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2014-09-12 08:11 -0700
Re: How does it know? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2014-09-12 08:36 -0700
Re: How does it know? Steven Simpson <ss@domain.invalid> - 2014-09-12 17:36 +0100
Re: How does it know? Donkey Hottie <donkey@fredriksson.dy.fi> - 2014-09-12 21:40 +0300
Re: How does it know? Joerg Meier <joergmmeier@arcor.de> - 2014-09-13 11:57 +0200
Re: How does it know? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2014-09-12 16:18 -0700
Re: How does it know? Mike Amling <mamling@chaff.us> - 2014-09-14 08:52 -0500
Re: How does it know? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2014-09-14 07:48 -0700
Re: How does it know? Roedy Green <see_website@mindprod.com.invalid> - 2014-09-12 18:11 -0700
Re: How does it know? Joerg Meier <joergmmeier@arcor.de> - 2014-09-13 11:59 +0200
Re: How does it know? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2014-09-14 07:51 -0700
Re: How does it know? Arne Vajhøj <arne@vajhoej.dk> - 2014-09-14 22:24 -0400
Re: How does it know? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2014-09-14 07:50 -0700
Re: How does it know? Arne Vajhøj <arne@vajhoej.dk> - 2014-09-14 22:26 -0400
Re: How does it know? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2014-09-17 14:52 -0700
Re: How does it know? Roedy Green <see_website@mindprod.com.invalid> - 2014-09-12 18:13 -0700
Re: How does it know? Mike Amling <mamling@chaff.us> - 2014-09-14 08:29 -0500
Re: How does it know? Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2014-09-14 07:53 -0700
Re: How does it know? Roedy Green <see_website@mindprod.com.invalid> - 2014-09-17 00:40 -0700
Re: How does it know? Joerg Meier <joergmmeier@arcor.de> - 2014-09-18 00:10 +0200
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