Hello,

You can create a jar directly from eclipse following these steps: http://www.fsl.cs.sunysb.edu/~dquigley/cse219/index.php?it=eclipse&tt=jar&pf=y

Or you can use the command line: http://neptune.netcomp.monash.edu.au.../howto/jar.htm

If you use ant to build your projects there is a jar task that let you to do so: http://ant.apache.org/manual/CoreTasks/jar.html

HTH