Set/Get Variable in Application in JSP : Application « JSP « Java Tutorial

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Java Tutorial » JSP » Application

23. 56. 1. Set/Get Variable in Application in JSP

index.jsp


<%

  String theSharedObject = "JSP is cool";



  application.setAttribute("message", theSharedObject);

%>



<HTML>

  <HEAD>

    <TITLE>Application Object - Page 1</TITLE>

  </HEAD>



  <BODY>

    This page sets data that can be retrieved by other pages in the application.<P>



    Click <a href="application_page2.jsp">here</a> to see this in action.

  </BODY>

</HTML>

application_page2.jsp


<%

  // getAttribute() returns a java.lang.Object, so need to cast

  String theSharedObject = (String) application.getAttribute("message");

%>



<HTML>

  <HEAD>

    <TITLE>Application Object - Page 2</TITLE>

  </HEAD>



  <BODY>

    This page retrieves the message that was stored in the <i>application</i> object  by another page.

  <P>

    The message is <b><%= theSharedObject %></b>

  </BODY>

</HTML>

Download: JSPSetGetVariableInApplication.zip( 939 k)

23. 56. Application
	23. 56. 1.	Set/Get Variable in Application in JSP

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