<p> Would you like to :- <ul>
<li> <a href="/servlets/Shopping?order=447&action=add>Add items to your order</a>
<li> <a href="/servlets/Shopping?order=447&action=del>Delete items from your order</a>
<li> <a href="/servlets/Shopping?order=447&action=ship>Ship the current order</a>

Example 2: State information is preserved.