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PageContext Implicit Object

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pageContext is an implicit object, in JSP which is of type PageContext class. The pageContext object can be made in use to set, get or remove features from the below-given reaches

  • page
  • request
  • session
  • application

The default scope in JSP is page scope.

Example of pageContext implicit object

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>

Output