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JSP (Directive (page directive (import, contentType, extends, language,…

- - - - object of HttpServletRequest
    - - object of HttpServletResponse
    - - object of PrintWriter
    - - object of HttpSession
    - - object of ServletConfig
    - - object of ServletConfig
    - - object of JspWriters
    - - Allows the exception data to be accessed by designated JSP
    - - synonym to "this"
- - - - A scriptlet tag is used to execute java source code in JSP.
      - Syntax:
        <% java source code %>
      - Example:
        <% out.print("welcome to jsp"); %>
    - - The JSP declaration tag is used to declare fields and methods.
      - Syntax:
        <%! field or method declaration %>
      - Example:
        <%! int data=50; %>
    - - It is a small java code which you can include into a JSP page. The syntax is “<%= some java code %>
      - Syntax of JSP expression tag:
        <%= statement %>
      - Example:
        <%= "welcome to jsp" %>
- - - - jsp:include
        
        Includes a file at the time the page is requested.
        
        <jsp:include page = "relative URL" flush = "true" />
        
        jsp:useBean
        
        Finds or instantiates a JavaBean.
        
        <jsp:useBean id = "name" class = "package.class" />
        
        jsp:setProperty
        
        Sets the property of a JavaBean.
        
        <jsp:setProperty name = "myName" property = "someProperty" .../>
        
        jsp:getProperty
        
        Inserts the property of a JavaBean into the output.
        
        <jsp:getProperty name = "myName" property = "someProperty" .../>
        
        jsp:forward
        
        Forwards the requester to a new page.
        
        <jsp:forward page = "Relative URL" />
        
        jsp:plugin
        
        Generates browser-specific code that makes an OBJECT or EMBED tag for the Java plugin.
        
        <jsp:plugin type = "applet" codebase = "dirname" code = "MyApplet.class" width = "60" height = "80">
        
        jsp:element
        
        Defines XML elements dynamically.
        
        <jsp:element name = "xmlElement">
        
        jsp:attribute
        
        Defines dynamically-defined XML element's attribute.
        
        <jsp:attribute name = "xmlElementAttr">
        
        jsp:body
        
        Defines dynamically-defined XML element's body.
        
        jsp:text
        
        Used to write template text in JSP pages and documents.
      - WHY use it?
        :check: control the behavior of the servlet engine.
        :check: You can dynamically insert a file
        :check: Reuse JavaBeans components
        :check: Forward the user to another page
        :check: Generate HTML for the Java plugin.
      - SYNTAX:
        <jsp:action_name attribute = "value" />