(i) Remove (or rename) the Selection servlet from the last task and then copy
Selection.java, Weight.java and Checkout.java from section 8.8 into the classes
folder. (ii) Add the appropriate tags to your deployment descriptor and compile the
three servlets. (iii) Start up Tomcat (stopping it first, if it is already running) and then access
ShoppingCart.html via your browser. Experiment with this simple shopping cart application.