index.jsp
<HTML>
<HEAD>
<TITLE>Getting Parameter Names</TITLE>
</HEAD>
<BODY>
<H1>Getting Parameter Names<H1>
<FORM ACTION="basic.jsp" METHOD="POST">
<INPUT TYPE="TEXT" NAME="text1">
<BR>
<SELECT NAME="select1" SIZE="5" MULTIPLE>
<OPTION>Option 1</OPTION>
<OPTION selected>Option 2</OPTION>
<OPTION>Option 3</OPTION>
<OPTION>Option 4</OPTION>
<OPTION>Option 5</OPTION>
</SELECT>
<BR>
<INPUT TYPE="SUBMIT" VALUE="Submit">
</FORM>
</BODY>
</HTML>
basic.jsp
<HTML>
<HEAD>
<TITLE>Reading Parameter Names</TITLE>
</HEAD>
<BODY>
<H1>Reading Parameter Names</H1>
Parameter Names:
<BR>
<% java.util.Enumeration names = request.getParameterNames();
while(names.hasMoreElements()){
out.println(names.nextElement() + "<BR>");
}
%>
</BODY>
</HTML>
Download: GetFormParameterEnumeration.zip( 1 k)