I have this content in slide 7
*
Example Package
*
● Suppose you write a group of classes that represent
graphic objects, such as circles, rectangles, lines, and
points
● You also write an interface, Draggable, that classes
implement if they can be dragged with the mouse
//in the Draggable.java file
public interface Draggable {}
//in the Graphic.java file
public abstract class Graphic {}
//in the Circle.java file
public class Circle extends Graphic implements Draggable {}
//in the Rectangle.java file
public class Rectangle extends Graphic implements Draggable { }
//in the Point.java file
public class Point extends Graphic implements Draggable {}
//in the Line.java file
public class Line extends Graphic implements Draggable
2010/8/17 Michèle Garoche <[email protected]>
>
>
> On Aug 17, 11:47 am, TheIrda <[email protected]> wrote:
> > Hi
> >
> > I think slide #7 on javase_createclass pdf is wrong. Seems more
> > related to implementation of interfaces than to packages honeslty...
> Do you mean the slide which title is Coding Guidelines?
> If yes, there is nothing wrong in it.
>
> If not please give the title of the slide if any.
>
> Michèle Garoche
>
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