📄 ch05_07.jsp
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<%@page import = "java.util.*" session="true"%>
<HTML>
<HEAD>
<TITLE>A hit counter using sessions</TITLE>
</HEAD>
<BODY>
<H1>A hit counter using sessions</H1>
<%
Integer counter =
(Integer)session.getAttribute("counter");
if (counter == null) {
counter = new Integer(1);
} else {
counter = new Integer(counter.intValue() + 1);
}
session.setAttribute("counter", counter);
%>
Number of times you've been here: <%=counter%>
</BODY>
</HTML>
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