Access XML File in JAR file

Hi I am trying to access a XML file which is present within a JAR file. The xml file needs to be accessed from class files within the jar. The class files within the jar use the xml file as a config file.
The jar is used by external programs during their runtime.
Can someone help me with some info on where I can begin.
Thanks

DrClap, Thank you very much. It works. You certainly are a qualified Dr.
Regards

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