How can I create a .jar file?

Question

In the tutorial I found out that jar files can be created in the following way:

jar cf jar-file input-file(s)

However, it was not clear wha

Answer 1

regarding your external dependencies, this will NOT work unless you compile in the dependencies as .class files, or use something like FatJar http://fjep.sourceforge.net/ to add them into one big jar.