OnJava8-Examples/polymorphism/Shapes.java at master · CSapprenticeWT/OnJava8-Examples · GitHub

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// polymorphism/Shapes.java

// We make no guarantees that this code is fit for any purpose.

// Visit http://OnJava8.com for more book information.

// Polymorphism in Java

import polymorphism.shape.*;

public class Shapes {

public static void main(String[] args) {

RandomShapes gen = new RandomShapes();

// Make polymorphic method calls:

for(Shape shape : gen.array(9))

shape.draw();

}

/* Output:

Triangle.draw()

Square.draw()

Triangle.draw()

Square.draw()

Triangle.draw()

Square.draw()

Triangle.draw()

Circle.draw()