Daily one Java----------jar command

You can use the JAR command to package a Java program.

JAR Command format:

jar {c T x u f}[v m 0 m I] [jar-file] files ...

Parameter meaning:

C: Create a JAR Package

T: Displays a list of the contents of the JAR package

X: Unzip the jar package

U: Add file to Jar package

F: Specify the file name of the jar package

V: Detailed production report, on-screen output

0: When generating jar packages, do not compress

I: Create an index file for the specified jar package

M: Contains inventory information from the specified manifest file

M: Do not create a manifest file for the entry

Example: 1 Creating a jar Package

Jar CVF Hello.jar Helloworld.class

2 Show Jar Package

Jar TVF Hello.jar

3 Unpacking the JAR package

Jar XVF Hello.jar

4 adding new content to existing jar packages

Jar UF Hello.jar Helloworld.java

Daily one Java----------jar command