Java Challenges #28 - Polymorphism, Casting, Abstract Classes

Have fun with this new Java Challenge about one of the most crucial Java concepts, Polymorphism! By bonus, learn how to invoke specific methods from subclasses by using casting! If you want to go deeper into Polymorphism, go to: https://www.javaworld.com/article/3290403/java-challengers-3-polymorphism-and-inheritance.html Get the code of the Java Challengers and run your own tests: https://javachallengers.com/code For more, go to https://javachallengers.com