How do I open a Java JAR file? Follow these steps to open a JAR file and extract the contents to the local filesystem: Change the extension of the JAR file from .jar to .zip Right-click on the JAR ...

What are JAR files? JAR stands for Java Archive. As the name suggests, it is an archive file that can package multiple files together to save storage space and make file transfers easier.

Of course the subject of open source Java dominated. Some highlights: Q: How can sun make money with open source Java? Jonathan: Open source is not anti-business, it's pro market.