import javax.servlet.*;
import java.io.*;
import javax.servlet.http.*;
public class Servletcontext extends HttpServlet
{
public void sevice(HttpServletRequest req, HttpServletResponse res)throws IOException
{
PrintWriter out=res.getWriter();
ServletContext application=this.getServletContext();
String value=application.getInitParameter("uname");
out.println(value);
}
}
web.xml
<web-app>
<servlet>
<servlet-name>context</servlet-name>
<servlet-class>Servletcontext</servlet-class>
</servlet>
<context-param>
<param-name> value</param-name>
<param-value>sudheer</param-value>
</context-param>
<servlet-mapping>
<servlet-name>context</servlet-name>
<url-pattern>/con</url-pattern>
</servlet-mapping>
</web-app>
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