Re: How does it know?

From:
Knute Johnson <nospam@rabbitbrush.frazmtn.com>
Newsgroups:
comp.lang.java.programmer
Date:
Sun, 14 Sep 2014 07:48:45 -0700
Message-ID:
<lv49sd$kuv$1@dont-email.me>
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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