general

- 6 points per problem
- answer all the parts!
- "define" versus "describe"

1

* define, not just describe
* give an example
- OO programming != Java
- instance       != instance variable
- class          != filler
- message in OOP, not general

2

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3

- multiple references in lecture notes...
- more than "make code easy to change"
- not the same as refactoring

4

- create a testXXX() method
- in it, create an instance of PriceRange

5

- static != final

6

size == high - low ** + 1 **

7

- message in OOP, not general

8

- x, y, radius, color -- inherited!

9

- key: static vs dynamic

10

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