2010/03/15

Data Base week7_3


10/03/2010

 
inheritance = generation

 
  1. is part of


  2. has



  3. is part of
    car--------------engine

    Circle------------point
    Polygon------------|



  4. has
    Person-----------address

0 件のコメント:

コメントを投稿

UA-9417263-1