As would creating the jar file and deleting the manifest file. I'm looking for a jar command line - what switches, options, what parameters - would create a jar file without a manifest file.

Java's default constructor lets developers create instances of classes when an explicitly defined constructor does not exist. Here's how it works.

You can use the Java JDOM classes to read the XML data including the element's attribute property. You use these properties to determine the different types of XML nodes you have in your folder.