What is a JSP file? A JSP file is a Java document used to dynamically generate a webpage using Jakarta Server Pages ( JSP ) functions. It is similar to an .ASP or .PHP file, except it contains Java code instead of ActiveX or PHP. Web servers parse JSP files and use them to generate HTML , which is sent to a user's web browser.

More Information JSP file open in Microsoft Visual Studio Code Jakarta Server Pages is a standard and set of technologies that developers use to create dynamically-generated webpages. Developers write these webpages using Java code, as well as HTML and XML syntax. JSP files typically contain only Java and HTML content. Any web server that includes a JSP-compatible servlet container, such as Apache Tomcat or Jetty, can render a JSP file as a webpage in users' web browsers. However, were a user to view a processed JSP webpage's source code in their browser, the user would see only HTML code. When a web server processes a JSP file, it dynamically translates the Java code the file contains into HTML. The user's web browser then renders this fully-HTML version of the webpage. NOTE: JSP files were formerly known as JavaServer Pages. The Eclipse Foundation rebranded Java Enterprise Edition as Jakarta Enterprise Edition in 2018.