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Run a java class within another class

3 replies on 1 page. Most recent reply: Sep 19, 2008 9:12 AM by Charles Bell

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Yonatan Vowell

Posts: 1
Nickname: yvowell
Registered: Sep, 2008

Run a java class within another class

Posted: Sep 15, 2008 6:03 AM

Hi,
I'm trying to run a Java class within my java program without using Runtime.getRuntime().exec()
can anyone tell me how to do this?

Charles Bell

Posts: 519
Nickname: charles
Registered: Feb, 2002

Re: Run a java class within another class

Posted: Sep 18, 2008 2:22 PM

I thought this was pretty basic to java programming.

You can create one on your code with its constructor.

AnotherClass another = new AnotherClass();

or

AnotherClass another = getAnotherClass();

Kondwani Mkandawire

Posts: 530
Nickname: spike
Registered: Aug, 2004

Re: Run a java class within another class

Posted: Sep 19, 2008 12:07 AM

> I thought this was pretty basic to java programming.
>
> You can create one on your code with its constructor.
>
> AnotherClass another = new AnotherClass();
>
> or
>
> AnotherClass another = getAnotherClass();

I dont think that's what he means. I think actually firing up a Java Application as in from command line the same way you can call:

Runtime.getRuntime().exec("java MyApp");

When I saw this post I initially thought of messing with Classloaders and calling those within code, but then I thought I have never done that and don't have much experience - hence my response would be misleading.

You can however give a class a main method and call its main method - I doubt that's what he's looking for either though.

Charles Bell

Posts: 519
Nickname: charles
Registered: Feb, 2002

Re: Run a java class within another class

Posted: Sep 19, 2008 9:12 AM

He needs to explain his request or question better.

Sometimes it is difficult for those whose native language is not English to express their questions where I can understand.

But running another java program from inside a java program is inherent in the programming language from ita earliest days.

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