Homework skeleton

Zoo.java

import java.util.ArrayList;

public class Zoo {

	public static void main(String[] args) {
		ArrayList<Animal> animals = new ArrayList<Animal>();
		
		// Generate 100 random animals.
		for (int i = 0; i < 100; i++) {
			double randomNum = Math.random();
			if (randomNum < .25) {
				// TODO: fill in with an animal you define.
				animals.add(new Kangaroo());
			} else if (randomNum < .5) {
				// TODO: as above.
				...
			} else if (randomNum < .75) {
				// TODO: as above.
				...
			} else {
				// TODO: as above.
				...
			}
		}
		
		// Print info for each animal.
		for (int i = 0; i < animals.size(); i++) {
			Animal animal = animals.get(i);
			System.out.println(animal);
			animal.move();
			animal.diet();
		}
		
	}

}

class Animal {
	public void move() {
		System.out.println("This should never be printed.");
	}
	
	public void diet() {
		System.out.println("This should never be printed.");
	}
	
	public String toString() {
		return "Animal";
	}
}