Zoo.java

import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.Random;
import java.util.Scanner;
/**
 * Write a description of class Zoo here.
 * 
 * @author APCSA2014-15 
 * @version 2015-03-06
 */
public class Zoo
{
    public static  void main(String[] args) throws InterruptedException 
    {
        List<Random> animals = new ArrayList<Random>();

        System.out.println("Welcome to the Zoo!\n");
        System.out.print("Building the cages");
        delayDots();
        System.out.print("Populating the animals");
        populateAnimals(animals);
        delayDots();
        System.out.print("Hiring zookeepers");
        delayDots();

        Scanner in = new Scanner(System.in);
        System.out.println("\nYou are standing in a wondrous zoo. What would you like to do?");
        System.out.println("Type help to find out what you can do.\n");
        String text = in.nextLine();
        String msg = "";
        while(!text.equals("leave"))
        {
            switch(text)
            {
                case "help" : msg = "So far we can only leave and ask for help.";
                                break;
                default : msg = "You flail helplessly with indecision.";
            }
            System.out.println("\n" + msg);
            System.out.println("\nYou are standing in a wondrous zoo. What would you like to do?\n");
            text = in.nextLine();
        }
        
        System.out.println(Math.random() > .8 ? "\nHave a nice day!  Hope you come back!" : "\nAn escaped lion eats you on your way out.  Sorry!");

    }


    /**
     * This prints an ellipses with 1 second between each period
     * It then moves to the next line.
     */
    public static void delayDots(int dotAmount) throws InterruptedException 
    {
        for (int i=0; i<dotAmount; i++) {
            TimeUnit.SECONDS.sleep(1);
            System.out.print(".");
        }
        System.out.println();
    }
    
     /**
     * This prints an ellipses with 1 second between each period
     * It then moves to the next line.
     */
    public static void delayDots() throws InterruptedException 
    {
       delayDots(3);
    }

    /**
     * This is where we will all collaborate.
     * Construct your animal and add it to the List
     * @param animals the list containing all the zoo animals
     */
    public static void populateAnimals(List<Random> animals)
    {
        Random r = new Random();
        Random q = new Random();
        animals.add(r);
        animals.add(q);
    }
}