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JSP PageContext

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pageContext implicit object

JSP pageContext is an implicit object which is type of PageContext class and pageContext object is performed set,get or remove attribute.

from one of the following scopes:

page
request
session
application

In JSP, page scope is the default scope.

Example

index.html

<html>  
<body>  
<form action="welcome.jsp">  
<input type="text" name="uname">  
<input type="submit" value="go"><br/>  
</form>  
</body>  
</html>

welcome.jsp

    <html>  
    <body>  
    <%   
    String name=request.getParameter("uname");  
    out.print("Welcome "+name);  
    pageContext.setAttribute("user",name,PageContext.SESSION_SCOPE);   
    <a href="second.jsp">second jsp page</a>  
    %>  
    </body>  
    </html>

second.jsp

    <html>  
    <body>  
    <%     
    String name=(String)pageContext.getAttribute("user",PageContext.SESSION_SCOPE);  
    out.print("Hello "+name);  
    %>  
    </body>  
    </html>