Could really use some help. Thank you!!!!!

// Enum type for food

enum FoodType { BONE, SALMON, GRASS }

public class Farm_Client

{

// Constants for food costs

final static double grassCost = 1.0;

final static double boneCost = 3.0;

final static double salmonCost = 5.0;

// Random number generator

private static Random r = new Random();

public static void main(String[] args)

{

// For autograding purposes - setting seed (read in from command line)

// so random always generates same numbers

if (args.length > 0)

r.setSeed(Long.parseLong(args[0]));

// Decimal format class for printing out any prices

DecimalFormat df = new DecimalFormat("$0.00");

for (int i = 0; i

{

// An ArrayList of animals in the stalls

ArrayList stalls;

// This test case will be executed during FIRST iteration;

// It is used to reproduce the output in the Project writeup

if (i == 0)

{

System.out.println("----------CASE 1: generateDogCatCow5ServingArrangement() Output----------");

stalls = generateDogCatCow5ServingArrangement();

}

else

{

int numAnimals = 10;

// This test case will be executed during SECOND iteration;

// It is used to generate a random test case

System.out.println("-------------CASE 2: generateRandomStallArrangement() Output-------------");

stalls = generateRandomStallArrangement(numAnimals);

}

// TODO: Insert your code here which causes Old MacDonald (this client code) to

// visit each of the stalls. Old MacDonald should speak to each animal to determine

// what type of food to feed it. All along the way, he keeps track of what types

// of animals and how much of each type of food he is using.

// End of test

System.out.println("E-I-E-I-O! ");

}

}

/////////////////////////////////////////////////////////////////////////////////

// DO NOT EDIT

// This method generates a stall with numAnimals which are generated randomly.

// In addition, the number of feedings required per animal are set randomly as

// a number between 1 and 10.

/////////////////////////////////////////////////////////////////////////////////

private static ArrayList generateRandomStallArrangement(int numAnimals)

{

// Create new stall (ArrayList) of animals

ArrayList newStallArrangement = new ArrayList();

// Generate numAnimals new animals

for (int i = 0; i

{

int randAnimal = r.nextInt(3); // (Dog = 0, Cat = 1, Dog = 2)

int numFeedings = r.nextInt(10)+1; // 1-10 feedings required per animal

if (randAnimal == 0)

newStallArrangement.add(new Dog(numFeedings));

else if (randAnimal == 1)

newStallArrangement.add(new Cat(numFeedings));

else

newStallArrangement.add(new Cow(numFeedings));

}

return newStallArrangement;

}

/////////////////////////////////////////////////////////////////////////////////

// DO NOT EDIT

// This method generates a stall with a dog, cat and cow, which each need five

// servings of food.

/////////////////////////////////////////////////////////////////////////////////

private static ArrayList generateDogCatCow5ServingArrangement()

{

// Create new stall (ArrayList) of animals containing a Dog, Cat & Cow, each with a requirement of 5 servings

ArrayList newStallArrangement = new ArrayList();

newStallArrangement.add(new Dog(5));

newStallArrangement.add(new Cat(5));

newStallArrangement.add(new Cow(5));

return newStallArrangement;

}

}