2015-11-03 12:00:44 -08:00

29 lines
589 B
Java

// polymorphism/Shapes.java
// Polymorphism in Java.
import polymorphism.shape.*;
public class Shapes {
private static RandomShapeGenerator gen =
new RandomShapeGenerator();
public static void main(String[] args) {
Shape[] s = new Shape[9];
// Fill up the array with shapes:
for(int i = 0; i < s.length; i++)
s[i] = gen.get();
// Make polymorphic method calls:
for(Shape shp : s)
shp.draw();
}
}
/* Output:
Triangle.draw()
Triangle.draw()
Square.draw()
Triangle.draw()
Square.draw()
Triangle.draw()
Square.draw()
Triangle.draw()
Circle.draw()
*/