PageContext Implicit Object


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PageContext Implicit Object

In JSP, pageContext is an implicit object of type PageContext class.The pageContext object can be used to set,get or remove attribute from one of the following scopes.

  • page
  • request
  • session
  • application

In JSP, page scope is the default scope.

Example of pageContext implicit object

index.html

Example

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

welcome.jsp

Example

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

One.jsp

Example

String name=(String)pageContext.getAttribute("user",PageContext.SESSION_SCOPE);  
out.print("Hello "+name);

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