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JSP (Implicit Object: (request This is the HttpServletRequest object…

- - - - Types of directive tag
        
        <%@ page ... %>
        
        <%@ page attribute = "value" %>
        
        Basic Syntax
        
        <jsp:directive.page attribute = "value" />
        
        XML equivalent oft he above syntax
        
        Attributes
        
        buffer
        
        Specifies a buffering model for the output stream.
        
        autoFlush
        
        Controls the behavior of the servlet output buffer.
        
        contentType
        
        Defines the character encoding scheme.
        
        errorPage
        
        Defines the URL of another JSP that reports on Java unchecked runtime exceptions.
        
        isErrorPage
        
        Indicates if this JSP page is a URL specified by another JSP page's errorPage attribute.
        
        extends
        
        Specifies a superclass that the generated servlet must extend.
        
        import
        
        Specifies a list of packages or classes for use in the JSP as the Java import statement does for Java classes.
        
        info
        
        Defines a string that can be accessed with the servlet's getServletInfo() method.
        
        isThreadSafe
        
        Defines the threading model for the generated servlet.
        
        language
        
        Defines the programming language used in the JSP page.
        
        session
        
        Specifies whether or not the JSP page participates in HTTP sessions
        
        isELIgnored
        
        Specifies whether or not the EL expression within the JSP page will be ignored.
        
        isScriptingEnabled
        
        Determines if the scripting elements are allowed for use.
        
        <%@ include ... %>
        
        <%@ include file = "relative url" >
        
        General Usage
        
        <jsp:directive.include file = "relative url" />
        
        XML equivalent of the above syntax
        
        <%@ taglib ... %>
        
        <%@ taglib uri="uri" prefix = "prefixOfTag" >
        
        Default Usage
        
        <jsp:directive.taglib uri = "uri" prefix = "prefixOfTag" />
        
        XML equivalent of the above syntax
- - - - Expression
        
        Used to insert Java values directly into output
        
        <%= Java Expression %>
        
        Example:
        -Convert a String to uppercase <%= new String("Hello World").toUpperCase() %>
        -In the HTML, it will convert string to uppercase: HELLO WORLD
      - Scriplet
        
        Used when want to insert more complex expression than a simple expression
        
        <% Java Code; %>
        
        Code Example:<h2> Hello World </h2>
        <% for (int i=0, i<= 5, i++)
        {
        out.println("<br/> I really love counting: " +i);
        }
        %>
      - Declaration
        
        JSP declaration enable to define methods or fields that get inserted into the main body of the servlet class
        
        <%! Java Code %>
        
        Code Example:
        <%!
        String makeItLower (String data)
        {
        return data.toLowerCase();
        }
        %>
- - - - Includes a file at the time the page is requested.
        
        <jsp:include page = "relative URL" flush = "true" />
    - - Finds or instantiates a JavaBean.
        
        <jsp:useBean id = "name" class = "package.class" />
    - - Sets the property of a JavaBean.
        
        Outside jsp:useBean
        <jsp:useBean id = "myName" ... />
        <jsp:setProperty name = "myName" property = "someProperty" .../>
        
        Inside jsp:useBean
        <jsp:useBean id = "myName" ... >
        <jsp:setProperty name = "myName" property = "someProperty" .../>
        </jsp:useBean>
    - - Inserts the property of a JavaBean into the output.
        
        <jsp:getProperty name = "myName" property = "someProperty" .../>
    - - Forwards the requester to a new page.
        
        <jsp:forward page = "Relative URL" />
    - - Generates browser-specific code that makes an OBJECT or EMBED tag for the Java plugin.
    - - Defines XML elements dynamically.
        
        <jsp:element name = "xmlElement">
    - - Defines dynamically-defined XML element's attribute.
    - - Defines dynamically-defined XML element's body.
        
        <jsp:body> Body for XML element </jsp:body>
    - - Used to write template text in JSP pages and documents.