//File: index.html
<html>
<body>
<h1>Hello Web Application</h1>
<form action="hello.jsp" method="POST" >
<table width="75%">
<tr>
<td width="48%">What is your name?</td>
<td width="52%">
<input type="text" name="name" />
</td>
</tr>
</table>
<p>
<input type="submit" name="Submit" value="Submit name" />
<input type="reset" name="Reset" value="Reset form" />
</p>
</form>
</body>
</html>
//File: hello.jsp
<html>
<head>
<title>Hello Web Application</title>
</head>
<body>
<h1>Hello Web Application</h1>
<br/><br/>
<%
String name = request.getParameter("name");
if (name.trim().length() == 0) {
%>
You did not tell me your name!<br><br><br>
<%
} else {
%>
Hello <%=name%><br><br><br>
<%
}
%>
<a href="index.html">Try again?</a>
</body>
</html>
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