What is servlet, what is jsp?

  • Servlet : it is a Java class allowing to create data dynamically in an HTTP server. Data created can be presented under HTML format, XML format or any other supported browser format. Servlet runs dynamically in the server and extends their functions : database access, e-commerce transactions… Servlet is loaded automatically in the server and stay active waiting a client request. A servlet is executed in a execution environment called container (framework server side) that allows servlet’s persistence between requests client.
  • JSP : (Java Server Pages) it is a technique based in Java allowing to developers to generate dynamically the HTML code, XML or any other format supported by browser. The JSP syntax adds an XML tags called JSP action to call functions. And this technique allows to create many tags libraries (tagLib) that can be considered as extensions in HTML or XML. In a jsp we can use a particular language called Expression Language (EL) to reduce the java code injection in the jsp pages.


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  1. What’s JEE and which are their APIs? » Jalal MJADLI says:

    [...] JSP : web framework. (see What is servlet, what is jsp?) [...]

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