Example
of Polymorphism
Cylinder
à
Circle à
Point à
Shape
|
|
getArea |
getVolume |
getName |
|
Shape |
0.0 |
0.0 |
Abstract |
|
Point |
0.0 |
0.0 |
“Point” |
|
Circle |
πr2 |
0.0 |
“Circle” |
|
Cylinder |
2πr2 + 2 πrh |
πr2h |
“Cylinder” |
public
abstract class Shape extends Object
public
double getArea()
return 0.0
public double getVolume()
return 0.0 }
public abstract String getName();
}