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:

jsp example 4
 
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