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Questions for Chapter 5
1) In what way(s) is an interactive animation program different from a non-interactive
(movie) animation program?
2) How is an event created at runtime?
3) List five different kinds of events that are available in the Alice system.
a) When the world starts
4) What part of the Alice system is used to link an event to an event handling method?
5) What is the advantage of using of using one or more parameters in an event-handling
method?
6) Why should you test an event-handling method that has a parameter several times, calling
it with different parameters?
7) What is the advantage of using incremental development when creating an interactive
program?
8) Why are events considered to be world-level in Alice?
9) How is it possible to make one event-handling method respond to more than one event?
10) Suppose an Alice program has the event “When the world starts”. How many times will
this event occur when the program is run?
11) For exercise 8, a) create a textual story board and b) sketch a flowchart.
cheshireCat.justSmile
cheshireCat’s smile set isShowing to true
cheshireCat.reappear
Do the following in order
cheshireCat set isShowing to true
