CS130 - 2/21/2011

1. news!
2. news?
3. The past: Exam feedback

               void boundaryWalls() {
                   if (nextToACoin()) {
                       takeCoin();
                       faceWest();
                       while (!frontIsBlocked()
                           move;
                       putCoin();
                       goHome();
                   }
                   else {
                       faceSouth();
                       while (!frontIsBlocked()
                           move;
                       if (nextToACoin()) {
                           takeCoin();
                       }
                       goHome();
                   }
               }

   or...

               void number15() {
                   if (nextToACoin() 
                       westRoute();
                   else southRoute();
   
                   goHome();
               }
   
               void westRoute() {
                   takeCoin();
                   faceWest();
                   moveToWall();
                   putCoin();
               }
   
               void southRoute() {
                   faceSouth();
                   moveToWall();
                   if (nextToACoin()) {
                       takeCoin();
                   }
               }

4. The future: