A question for my jar file

Question

When using the jar command, do I have to specify any imported classes that I have downloaded from the net to use in my main class?

Answer 1

Here's an example that works for me. I made a temporary directory c:\tempjava inside of which is the RabbitHole class that you posted. There is also c:\tempjava\TerminalIO directory that contains the KeyboardReader and ScreenWriter classes.
To create an executable jar that includes the TerminalIO classes:
1. I created a manifest file, c:\tempjava\Manifest.txt that looks like this.Manifest-Version: 1.0
Main-Class: RabbitHole2. I created a jar by using the commandjar -cvfm rh.jar Manifest.txt *.class TerminalIO\*.class3. I executed the jar usingjava -jar rh.jarTo create an executable jar that relies on the TerminalIO classes being in the c:\tempjava directory:
1. I created a manifest file, c:\tempjava\Manifest.txt that looks like this Manifest-Version: 1.0
Main-Class: RabbitHole
Class-Path: rh.jar  /c:/tempjava/2. I created a jar by using the commandjar -cvfm rh.jar Manifest.txt *.class3. I executed the jar usingjava -jar rh.jarIf you want to make the TerminaIO package relative to the jar file - that is, the jar expects the TerminalIO package exists in the same directory as the jar file - then modify the manifest by replacing /c:/tempjava/ with . (the current directory).