The following command enables you to run any Java JAR file on the command line: java -jar jarfilename.jar To use the JAR file opener that comes when you install Java with the JDK, just issue the ...

Learn how a Java JAR file (Java Archive) allows you to package compiled code and other resources in a single file that is easily deployed and executed resources.

Open your Java software development kit and start a new project. Depending upon which software development kit you use, the exact steps will be different. Generally, locate "New" in the File menu.

Open source licenses Each of the Java projects covered in this series is subject to an open source license, which you should understand before integrating the project with your own projects.

An Android APK file contains all the open-source Java files used to set up and run the Google Android app.