CS51 - Fall 2009 - Lecture 11

  • More complex while loops
  • Knitting
  • can nest while loops
  • check that understand what happens when various lines in code are removed

  • BouncingBasketBall
  • Note use of two while loops within the main while loop in the run() method
  • See how sounds can be incorporated
  • Note how moving instance variable in Dribbler class is used so that the BouncingBBall class can signal that the ball can stop being dribbled.
  • Discussion of keyword null and of how null pointer exceptions are caused.