Example 1: Invoking a Servlet by URL
Most servers allow a servlet to be invoked directly by URL.
- client issues HTTP GET
e.g., http://www.yourhost/servlet/HelloWorld
- servlet specified by HTTP POST
From : <INPUT TYPE=“TEXT" NAME=“from" SIZE=“20">
<INPUT TYPE=“SUBMIT" VALUE=“Submit"> </FORM>
generates a URL-encoded query
string, e.g., “<servletURL>?from=me”