https://github.com/macagua/example.java.helloworld

"Hello World" Example for Java
https://github.com/macagua/example.java.helloworld

hello-world helloworld java

Last synced: 6 months ago
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"Hello World" Example for Java

• Host: GitHub
• URL: https://github.com/macagua/example.java.helloworld
• Owner: macagua
• License: gpl-2.0
• Created: 2015-06-17T13:23:36.000Z (over 10 years ago)
• Default Branch: master
• Last Pushed: 2024-06-30T07:57:00.000Z (over 1 year ago)
• Last Synced: 2025-03-30T21:11:59.129Z (7 months ago)
• Topics: hello-world, helloworld, java
• Language: Java
• Size: 9.77 KB
• Stars: 32
• Watchers: 5
• Forks: 279
• Open Issues: 2
• Metadata Files:
  • Readme: README.rst
  • License: LICENSE

Awesome Lists containing this project

README

          
example.java.helloworld

=======================

This is "Hello World" Example for Java.

The structure ``HelloWorld`` package is like this: ::

  example.java.helloworld/

  |-- HelloWorld

  |   `-- Main.java

  |-- LICENSE

  |-- Manifest.txt

  `-- README.md

Compile class

-------------

For compile the main class for package, execute the follow command: ::

  javac HelloWorld/Main.java

This generate the ``Main.class`` file into ``HelloWorld`` directory.

Run class

---------

For run the main class for package, execute the follow command: ::

  java -cp . HelloWorld.Main

This show the ``Hello world`` message.

Create a JAR file

-----------------

For pack the main class for package as a JAR file, execute the follow command: ::

  jar cfme Main.jar Manifest.txt HelloWorld.Main HelloWorld/Main.class

Run a JAR file

--------------

For run the JAR file packed, execute the follow command: ::

  java -jar Main.jar

This show the ``Hello world`` message.

Reference

=========

- `java - How to run a JAR file - Stack Overflow `_.

- `Setting an Application's Entry Point (The Java™ Tutorials > Deployment > Packaging Programs in JAR Files) `_.