The Java JAR file in review. The JAR file is an important artifact in the world of Agile software development in Java. Really, though, the JAR file is just a ZIP file with a different file extension.

Apache Tomcat is a servlet engine that runs Java web applications, which are packaged as web application archive files, or WARs. A WAR file is the one that’s deployed to Tomcat, not a JAR file.But, ...

3] Run a Java or JAR file. Now when you double click on the JAR file, it will automatically run like how EXE files execute. If there is a problem with version, the file should inform you.

Run the jar tool without arguments to see its usage. You pass it the -M option to create a JAR without a manifest. You won't be able to run the JAR file with java -jar, but you will still be able ...

Just add something like:<BR>Class-Path: images<BR>to the MANIFEST.MF and put it back into the jar.<BR>Now when you run it using java -jar myprogram.jar the classpath will contain myprogram.jar and ...