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Help extending Shape class with Circle and Rectangle classes

I am a little confused about what I need to do here. I created four separate classes (Circle, Rectangle, Square, and Triangle) that each calculate their own area and perimeter via user input.

Now I have to extend the Shape class with Circle and Rectangle classes, first. Then, I have to extend Rectangle with Square and Triangle classes.

Was I supposed to calculate the area and perimeter of the four shapes in the Shape class, or did I do it right? What should be in the Shape class?

How do I extend the things above? I know you have to write public class Circle extends Shape, but do I have to put anything else in the body of the class for Shape?

Sorry about all the questions, but I am so confused about what I have to do. If anybody can help me, it would be greatly appreciated, and thanks in advance!

If you need to see code, let me know!
Oct 30 '06 #1
1 2694
you please upload the code...

then only we can find a solution...

Regards ,

Oct 31 '06 #2

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