{"id":3490,"date":"2024-03-13T07:02:21","date_gmt":"2024-03-13T07:02:21","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-do-you-use-scriptlets-in-jsp\/"},"modified":"2025-07-30T17:05:38","modified_gmt":"2025-07-30T17:05:38","slug":"how-do-you-use-scriptlets-in-jsp","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-do-you-use-scriptlets-in-jsp\/","title":{"rendered":"How to Use Scriptlets in JSP"},"content":{"rendered":"<p>Scriptlet in JSP is a special tag used to embed Java code in JSP pages. It is used by wrapping Java code in <% and %> tags within the JSP page, as shown below:<\/p>\n<pre class=\"post-pre\"><code>&lt;%\r\n<span class=\"hljs-comment\">\/\/ \u5728\u8fd9\u91cc\u63d2\u5165Java\u4ee3\u7801<\/span>\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">num1<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">10<\/span>;\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">num2<\/span> <span class=\"hljs-operator\">=<\/span> <span class=\"hljs-number\">20<\/span>;\r\n<span class=\"hljs-type\">int<\/span> <span class=\"hljs-variable\">sum<\/span> <span class=\"hljs-operator\">=<\/span> num1 + num2;\r\n%&gt;\r\n<\/code><\/pre>\n<p>In the example above, the code block between <% and %> is called a scriptlet, where you can write any Java code. This code will be executed when the JSP page is converted to a Servlet and then output the results to the client. It is important to note that scriptlets should not be heavily used in JSP pages and it is advised to avoid writing excessive business logic in JSP in order to improve the maintainability and readability of the page.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Scriptlet in JSP is a special tag used to embed Java code in JSP pages. It is used by wrapping Java code in tags within the JSP page, as shown below: &lt;% \/\/ \u5728\u8fd9\u91cc\u63d2\u5165Java\u4ee3\u7801 int num1 = 10; int num2 = 20; int sum = num1 + num2; %&gt; In the example above, the code [&hellip;]<\/p>\n","protected":false},"author":12,"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":[155,1819,1817,1820,1818],"class_list":["post-3490","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-java-web-development","tag-javaserver-pages","tag-jsp","tag-jsp-tutorial","tag-scriptlet"],"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>How to Use Scriptlets in JSP - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn JSP scriptlets syntax, usage examples, and best practices for embedding Java code in JSP pages.\" \/>\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\/how-do-you-use-scriptlets-in-jsp\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Use Scriptlets in JSP\" \/>\n<meta property=\"og:description\" content=\"Learn JSP scriptlets syntax, usage examples, and best practices for embedding Java code in JSP pages.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/how-do-you-use-scriptlets-in-jsp\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-13T07:02:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-30T17:05:38+00:00\" \/>\n<meta name=\"author\" content=\"Liam\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Liam\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-do-you-use-scriptlets-in-jsp\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-do-you-use-scriptlets-in-jsp\/\"},\"author\":{\"name\":\"Liam\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/23786905eb7b377f45ddb01c17da7671\"},\"headline\":\"How to Use Scriptlets in JSP\",\"datePublished\":\"2024-03-13T07:02:21+00:00\",\"dateModified\":\"2025-07-30T17:05:38+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-do-you-use-scriptlets-in-jsp\/\"},\"wordCount\":116,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"Java web development\",\"JavaServer Pages\",\"JSP\",\"JSP tutorial\",\"scriptlet\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/how-do-you-use-scriptlets-in-jsp\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/how-do-you-use-scriptlets-in-jsp\/\",\"name\":\"How to Use Scriptlets in JSP - 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