<ul><li>This article highlights the use of XPath 2.0 in Java to look up data within XML documents.</li><li>The XML file has a <file> element with <currency> child elements, each having a key attribute and a nested <name> element.</li><li>XPath expressions can be used to map currency keys to their corresponding names or vice versa.</li><li>The Java module xpath2.0-helper from Maven Central simplifies the process, allowing for efficient and concise code.</li></ul>

How to Use XML Documents as Lookup Tables From Java

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