CS130 - 2/7/2011

1. news
2. Lab 2 solutions
   1. reusable parts
   2. clean interfaces between them
   3. no more than 7 instructions in any instruction!
3. Lab 3 qs?
4. A task with ifs: Ruby starts at home with an empty bag, at each of the first 16 corners there is either 0, 1, or 2 coins. She must end at home with exactly 1 coin on each of the first 16 corners.
   1. don't have any to start with
   2. go out, taking one anywhere there is at least one
   3. come back putting on on each empty corner
   4. 16? =4x4!
5. Applet??