The if...else block starts out as an ordinary Scriptlet, but the Scriptlet is closed at each line with HTML text included between the Scriptlet tags.
Example
<%! int day = 3; %>
<html>
<head>
<title>IF...ELSE Example</title>
</head>
<body>
<% if (day == 1 || day == 7) { %>
<p> Today is weekend</p>
<% } else { %>
<p> Today is not weekend</p>
<% } %>
</body>
</html>The above code will generate the following result −
Today is not weekend