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//: 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.next();

// 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()

*///:~