{"id":6659,"date":"2024-03-14T04:32:35","date_gmt":"2024-03-14T04:32:35","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-retrieving-lists-with-xpath-in-java\/"},"modified":"2025-08-02T06:27:49","modified_gmt":"2025-08-02T06:27:49","slug":"what-is-the-method-for-retrieving-lists-with-xpath-in-java","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-retrieving-lists-with-xpath-in-java\/","title":{"rendered":"Java XPath List Retrieval Guide"},"content":{"rendered":"<p>In Java, the method to retrieve a list using XPath is to select elements using XPath expressions and store them in a NodeList object. Here is a simple example code:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> javax.xml.xpath.*;\r\n<span class=\"hljs-keyword\">import<\/span> org.w3c.dom.*;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">XPathExample<\/span> {\r\n\r\n    <span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">static<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">main<\/span><span class=\"hljs-params\">(String[] args)<\/span> {\r\n        <span class=\"hljs-keyword\">try<\/span> {\r\n            <span class=\"hljs-comment\">\/\/ \u521b\u5efa XPath \u5bf9\u8c61<\/span>\r\n            <span class=\"hljs-type\">XPath<\/span> <span class=\"hljs-variable\">xPath<\/span> <span class=\"hljs-operator\">=<\/span> XPathFactory.newInstance().newXPath();\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u7f16\u8bd1 XPath \u8868\u8fbe\u5f0f<\/span>\r\n            <span class=\"hljs-type\">XPathExpression<\/span> <span class=\"hljs-variable\">expression<\/span> <span class=\"hljs-operator\">=<\/span> xPath.compile(<span class=\"hljs-string\">\"\/\/book\"<\/span>);\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u83b7\u53d6 XML \u6587\u6863<\/span>\r\n            <span class=\"hljs-type\">DocumentBuilderFactory<\/span> <span class=\"hljs-variable\">factory<\/span> <span class=\"hljs-operator\">=<\/span> DocumentBuilderFactory.newInstance();\r\n            <span class=\"hljs-type\">DocumentBuilder<\/span> <span class=\"hljs-variable\">builder<\/span> <span class=\"hljs-operator\">=<\/span> factory.newDocumentBuilder();\r\n            <span class=\"hljs-type\">Document<\/span> <span class=\"hljs-variable\">document<\/span> <span class=\"hljs-operator\">=<\/span> builder.parse(<span class=\"hljs-string\">\"books.xml\"<\/span>);\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u5728\u6587\u6863\u4e0a\u5e94\u7528 XPath \u8868\u8fbe\u5f0f<\/span>\r\n            <span class=\"hljs-type\">NodeList<\/span> <span class=\"hljs-variable\">nodeList<\/span> <span class=\"hljs-operator\">=<\/span> (NodeList) expression.evaluate(document, XPathConstants.NODESET);\r\n\r\n            <span class=\"hljs-comment\">\/\/ \u904d\u5386 NodeList<\/span>\r\n            <span class=\"hljs-keyword\">for<\/span> (<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">i<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">0<\/span>; i &lt; nodeList.getLength(); i++) {\r\n                <span class=\"hljs-type\">Node<\/span> <span class=\"hljs-variable\">node<\/span> <span class=\"hljs-operator\">=<\/span> nodeList.item(i);\r\n                System.out.println(node.getNodeName());\r\n            }\r\n        } <span class=\"hljs-keyword\">catch<\/span> (Exception e) {\r\n            e.printStackTrace();\r\n        }\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the example above, we used the XPath expression \/\/book to select all book elements in the document and stored them in a NodeList object. We then iterated through the NodeList and outputted the node name of each element. Note that you will need to replace the XML document path and XPath expression in the example code to fit your own needs.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, the method to retrieve a list using XPath is to select elements using XPath expressions and store them in a NodeList object. Here is a simple example code: import javax.xml.xpath.*; import org.w3c.dom.*; public class XPathExample { public static void main(String[] args) { try { \/\/ \u521b\u5efa XPath \u5bf9\u8c61 XPath xPath = XPathFactory.newInstance().newXPath(); \/\/ [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[180,8156,8181,188,8182],"class_list":["post-6659","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java-programming","tag-java-xpath","tag-nodelist","tag-xml-parsing","tag-xpath-expressions"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Java XPath List Retrieval Guide - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to retrieve lists using XPath in Java with code examples and step-by-step instructions.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-retrieving-lists-with-xpath-in-java\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Java XPath List Retrieval Guide\" \/>\n<meta property=\"og:description\" content=\"Learn how to retrieve lists using XPath in Java with code examples and step-by-step instructions.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-is-the-method-for-retrieving-lists-with-xpath-in-java\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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