How to make a jar file?

jar, java, netbeans6.7, notepad++

Solution

Using the JAR command:

jar cf jar-file input-file(s)

Using Maven:

<packaging>jar</packaging>

Using Ant:

 <jar destfile="${dist}/lib/app.jar" basedir="${build}/classes"/>

Problem

How can i make a jar file from both the command line and Netbeans 6.7?

Original source