Create a Jar file

I have just 2 classes in a package

com.user.Hello1
com.user.Hello2

I want to ship them as a jar file, so that user can put them in his class path and use the class he needs. In each class I am also using a logger (log4j.jar). So I have a log4j.properties file as well which contians the destination directory where the logger should write.

Please tell me
1. How to create a jar of these classes.
2. How should the log4j.properties be shipped, should it be inside the jar or send seperately. If it is inside the jar then user will not be able to chage the destination directory, so creating a properties files will become useless.

Both the classes have a main method, so they'll be run seperately

ruchieAsked:
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Gibu GeorgeChief Technology OfficerCommented:
jar -cvf myjar.jar com *.properties, will create the jar file
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Gibu GeorgeChief Technology OfficerCommented:
the log4j.properties can be shipped separately and needs to be in the class path
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KuldeepchaturvediCommented:
use command
jar cvf mypackage.jar -C yourdirectory/.

on the command line... the jar.exe is present in the bin folder of your JDK install directory
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KuldeepchaturvediCommented:
oops sorry Gibu.. I guess while I was typing you posted your comments..
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Gibu GeorgeChief Technology OfficerCommented:
:-)
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Mayank SAssociate Director - Product EngineeringCommented:
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