•Client for Screen, HLine, Box, self
documenting
•interesting code fragments
–28-31: create a Screen, declare and create two HLines
–32,33 : paintOn message to HLine wants Screen and position as arguments: “ask the HLine to
paint itself on a Screen” -
Screen is invisible still
–34: creates an anonymous new HLine which is then asked to paint itself on the Screen
–35: draw message to Screen gets Terminal as an argument “ask the Screen
to draw itself on a Terminal” –
finally,
everything is visible
–