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1. Print XML tag names and values in Java    stackoverflow.com

I have an XML document, and I want to print the tag names and values (of leaf nodes) of all tags in the document. For example, for the XML:

<library>
  <bookrack>
  ...

2. Print empty XML element as opening tag, closing tag    stackoverflow.com

Is there any way to print empty elements like <tag></tag> rather than <tag /> using org.w3c.dom? I'm modifying XML files that need to be diff'ed against old versions of themselves for ...