This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
I thought you were supposed to do that by creating a .jar file with the location of the main method quoted in the manifest file. In the bit about "deployment" in the Java Tutorial, look for the bit about setting an entry point.
Not that I have ever got it to work. I tend to take the easy way out (Eclipse).