Some use full cmd command for jar file
1-To create a JAR file by using cmd
command jar cf jar-file input-file(s)
2-To view the contents of a Jar file
command jar tf jar-file-name
3-To extract the contents of a JAR file
command
jar xf jar-file
4-To extract specific files from a JAR file
command jar xf jar-file
archived-file(s)
5-To invoke an applet packaged as a JAR file
command <applet code=AppletClassName.class
archive="JarFileName.jar"width=width height=height></applet>
6-To run an application packaged as a JAR file
(requires the Main-class manifest header)
command java -jar app.jar
7-For Signing jar with
the certificate named alias in the keystore.
command jarsigner -keystore .keystore -storepass password myjar.jar alias