5. JSP Expression tag


JSP Expression tag

Expression tag evaluates the scripting language expression, converts the result into a string. This result is send back to the web user through response object. It writes the result into output stream of the response object.
Syntax: <%=  expression %>  

Example:

welcome.jsp
<html>
 <head>
  <title>Expression tag example</title>
 </head>
 <body>
  Sum of 10 and 20 = <%= 10 + 20 %>
 </body>
</html>
web.xml
<web-app>
 
  <welcome-file-list>
          <welcome-file>welcome.jsp</welcome-file>
  </welcome-file-list> 
 
</web-app>

Output: