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I have a compiled java file somefile.class, and when i cd into the right folder and do: java somefile it works but when i call it from another folder: java folder/somefile it doesn't work, it gives me java exceptions, could you help me out?

Edit: I am working on a Mac if that matters..

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Does your project use multiple class files? Do you still get the exception if you add the folder with the somefile.class to your path? –  Lord Loh. Jun 20 '11 at 21:23
    
@LordLoh Do you mean to my environmental PATH variable? –  Samuel Jun 20 '11 at 21:31
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1 Answer 1

up vote 4 down vote accepted

If you run java folder/somefile java tries to find a class somefile in the package folder, but your class isn't located in the package folder, it's just located in the path folder. You can adjust the search path for classes using the -cp option (meaning classpath).

For example having a class YourClass in the package your.package, this package is located in /your/path you can execute it from any location with:

java -cp /your/path your.package.YourClass

In your specific case you should run:

java -cp folder somefile

I hope it's clear enough ;-)

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Thank you! That was perfectly clear and helpful –  Samuel Jun 20 '11 at 21:40
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