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//File: index.html
<HTML>
<HEAD>
</HEAD>
<BODY>
<FORM NAME="form1" ACTION="formAction.jsp" TARGET="frame2" METHOD="POST">
<CENTER>
<H1>The JSP Calculator</H1>
<INPUT TYPE="TEXT" NAME="op1" VALUE="">
<BR>
+
<BR>
<INPUT TYPE="TEXT" NAME="op2" VALUE="">
<BR>
<INPUT TYPE="SUBMIT" VALUE=" = ">
</CENTER>
</FORM>
</BODY>
</HTML>
//////////////////////////////////////////////////////////
File: formAction.jsp
<HTML>
<HEAD>
</HEAD>
<BODY>
<H2>
<CENTER>
The sum is:
<%
out.println(Integer.parseInt(request.getParameter("op1")) +
Integer.parseInt(request.getParameter("op2")));
%>
</CENTER>
</H2>
</BODY>
</HTML>
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JspFormFrame.zip( 89 k)