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Editor to share with you how to package java programs in linux environment into a simple helloworld output jar package, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's learn about it!

1. Linux must have java environment installed, test

# javac-versionjavac 1.8.020

Indicates that the java environment has been installed

two。 Set up the directory helloworld and create the helloworld.java file under the directory

# cd ~ # mkdir helloworld~# cd helloworld~/helloworld# vi helloworld.java

The helloworld.java content is as follows

Public class helloworld {public static void main (String [] args) {System.out.println ("Hello wordings!");}}

Package helloworld.java into executable jar

~ / helloworld# javac helloworld.java~/helloworld# ls~/helloworld# echo Main-class: helloworld > manifest.txt~/helloworld# ls~/helloworld# cat manifest.txt~/helloworld# jar cvfm hello.jar manifest.txt helloworld.class

The following packaging information is displayed on the screen:

Run the hello.jar file

~ / helloworld# ls~/helloworld# java-jar hello.jarhello worldview!

The above is all the contents of the article "how to package java programs in linux into a simple helloworld output jar package". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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