Java Reference
In-Depth Information
import java.util.Random;
public class TryPolymorphism {
public static void main(String[] args) {
// Create an array of three different animals
Animal[] theAnimals = {
new Dog("Rover", "Poodle"),
new Cat("Max", "Abyssinian"),
new Duck("Daffy","Aylesbury")
};
Animal petChoice;
// Choice of pet
Random select = new Random();
// Random number generator
// Make five random choices of pet
for(int i = 0; i < 5; ++i) {
// Choose a random animal as a pet
petChoice = theAnimals[select.nextInt(theAnimals.length)];
System.out.println("\nYour choice:\n" + petChoice);
petChoice.sound();
// Get the pet's reaction
}
}
}
Directory "AnimalVoices"
When I ran this I got the following output:
Your choice:
This is a Duck
It's Daffy the Aylesbury
Quack quackquack
Your choice:
This is a Cat
It's Max the Abyssinian
Miiaooww
Your choice:
This is a Duck
It's Daffy the Aylesbury
Quack quackquack
Your choice:
This is a Duck
It's Daffy the Aylesbury
Quack quackquack
Your choice:
