Exercise $2\mathrm{.}4$

Try to obtain a good understanding of a ticket machine's behavior by interacting with it on the object bench before we start looking, in the next section, at how the

rickethachine class is implemented.

Exercise $2\mathrm{.}5$

Create another ticket machine for tickets of a different price; remember that you have to supply this value when you create the machine object. Buy a ticket from that

machine. Does the printed ticket look any different from those printed by the first machine?

Bluej