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The following shows how instance variables and the rating instance
method are distributed for movies:
*--------------------*
| Attraction: |
| minutes |
*--------------------*
^
| extends
|
*--------------------*
| Movie: |
| script |
| acting |
| direction |
| rating method |
*--------------------*
^ ^
| | extends
| *----------------------*
| |
| *--------------------*
| | JamesBondMovie: |
| | rating method |
| *--------------------*
| ^
| |
*--------------------* *------------------------------*
| Movie instance | | JamesBondMovie instance |
*--------------------* *------------------------------*