Chapter 6: Inheritance and Abstract Classes Chapter Topics 6.1 ...
Chapter 6: Inheritance and Abstract Classes Chapter Topics 6.1 ...
Chapter 6: Inheritance and Abstract Classes Chapter Topics 6.1 ...
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CS151 Object-Oriented Design<br />
Dr. Kim<br />
4. Each subclass defines the primitive operations but not the algorithm.<br />
Structure<br />
Example: the drawSelection method defined in the abstract class SelectableShape<br />
Name in Design Pattern<br />
<strong>Abstract</strong>Class<br />
ConcreteClass<br />
templateMethod()<br />
primitiveOp1(), primitiveOp2()<br />
Actual Name (Selectable shapes)<br />
SelectableShape<br />
CarShape, HouseShape<br />
drawSelection<br />
translate, draw<br />
6.5 protected visibility<br />
In this section, we will create one more super class called CompoundShape to move the common<br />
features of house <strong>and</strong> car shapes to this super class.<br />
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