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January 2002



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setting property...

Posted by Mukul on January 22, 2002 at 3:14 AM

> Hi,
> I want to know why sometimes we need -d option when executing java class from comand prompt? Is there any other way to handle it? I have a java class which I need to run from command prompt as:
> C:/>java -DVicuna=c:\vicuna DisplayInfo
> If I ommit -DVicuna, the application does not run. Why? Is there any other way?
> Thanks,
> Avijit

When you use -D, you are basically setting a system property, in your case setting a property by the name Vicuna with a value c:\vicuna.

The reason your program does not work when you omit -D is because the property being looked for by your program is not found.


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