Basic HTML version of Foils prepared July 10 1996

Foil 24 More child classes

From Introductory Lectures on Java -- An Overview Mixing Code and Comments Trip to China and Icase Tutorial -- July 12-28 and June 10-13 96. by Geoffrey C. Fox


Once we have structured the concepts of our data into classes, it is easy to add new shapes of movable objects as child classes of mRectangle. These classes only have to redefine paint to draw a differently shaped object.



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