{"id":11831,"date":"2024-03-14T14:49:54","date_gmt":"2024-03-14T14:49:54","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-access-request-parameter-values-in-java\/"},"modified":"2025-08-04T17:41:02","modified_gmt":"2025-08-04T17:41:02","slug":"how-to-access-request-parameter-values-in-java","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-access-request-parameter-values-in-java\/","title":{"rendered":"Get Java Request Parameters"},"content":{"rendered":"<p>In Java, getting request parameter values usually involves using the HttpServletRequest object. Here is a simple example code demonstrating how to get request parameter values:<\/p>\n<pre class=\"post-pre\"><code><span class=\"hljs-keyword\">import<\/span> java.io.IOException;\r\n<span class=\"hljs-keyword\">import<\/span> javax.servlet.ServletException;\r\n<span class=\"hljs-keyword\">import<\/span> javax.servlet.http.HttpServlet;\r\n<span class=\"hljs-keyword\">import<\/span> javax.servlet.http.HttpServletRequest;\r\n<span class=\"hljs-keyword\">import<\/span> javax.servlet.http.HttpServletResponse;\r\n\r\n<span class=\"hljs-keyword\">public<\/span> <span class=\"hljs-keyword\">class<\/span> <span class=\"hljs-title class_\">MyServlet<\/span> <span class=\"hljs-keyword\">extends<\/span> <span class=\"hljs-title class_\">HttpServlet<\/span> {\r\n    <span class=\"hljs-keyword\">protected<\/span> <span class=\"hljs-keyword\">void<\/span> <span class=\"hljs-title function_\">doGet<\/span><span class=\"hljs-params\">(HttpServletRequest request, HttpServletResponse response)<\/span> <span class=\"hljs-keyword\">throws<\/span> ServletException, IOException {\r\n        <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u5355\u4e2a\u8bf7\u6c42\u53c2\u6570\u503c<\/span>\r\n        <span class=\"hljs-type\">String<\/span> <span class=\"hljs-variable\">parameterValue<\/span> <span class=\"hljs-operator\">=<\/span> request.getParameter(<span class=\"hljs-string\">\"parameterName\"<\/span>);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u83b7\u53d6\u591a\u4e2a\u8bf7\u6c42\u53c2\u6570\u503c<\/span>\r\n        String[] parameterValues = request.getParameterValues(<span class=\"hljs-string\">\"parameterName\"<\/span>);\r\n\r\n        <span class=\"hljs-comment\">\/\/ \u8f93\u51fa\u8bf7\u6c42\u53c2\u6570\u503c<\/span>\r\n        response.getWriter().println(<span class=\"hljs-string\">\"Parameter Value: \"<\/span> + parameterValue);\r\n    }\r\n}\r\n<\/code><\/pre>\n<p>In the example above, use the request.getParameter(&#8220;parameterName&#8221;) method to retrieve a single request parameter value, and use the request.getParameterValues(&#8220;parameterName&#8221;) method to retrieve multiple request parameter values. These parameter values can then be used for subsequent logic processing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In Java, getting request parameter values usually involves using the HttpServletRequest object. Here is a simple example code demonstrating how to get request parameter values: import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class MyServlet extends HttpServlet { protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { \/\/ \u83b7\u53d6\u5355\u4e2a\u8bf7\u6c42\u53c2\u6570\u503c String parameterValue [&hellip;]<\/p>\n","protected":false},"author":8,"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":[7519,15380,2051,2057,15381],"class_list":["post-11831","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-http-request","tag-java-httpservletrequest","tag-java-servlet","tag-java-web","tag-servlet-parameters"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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