<xmp>
<%

String className = request.getQueryString();
out.println("class name = "+className);
Class cls = Class.forName(className);
check(out, cls);

%>
</xmp>



<%!


private void check(JspWriter out, Class cls) throws Exception {
	String clsName = cls.getName();
	java.net.URL url = cls.getResource("/"+clsName.replaceAll("\\.", "/")+".class");
	out.println(url);
}

%>

http://sample.gimslab.com/whichclass.jsp?java.lang.String