Add a method boolean addClone(Animal anim) that clones the given animal,anim, and adds it to the animals array. For example, if animals has 4 animals and we callmyFarm.addClone(animals[2]), a clone of animals[2] would be created and added to animals at the next available spot. The method addClone returns true if the animal is added successfully to animals and false if the farm is full.

[+4] Implement any changes outside the Farm class in order for addClone to work properly.

o [+3] Add a method displayAnimals that will print the list of animals currently living in the farm. For example, if myFarm has only two animals, then myFarm.printAnimals() may print this output:

 Chicken1: alive at (0.0,0.0) Energy=28.9 Cow1 : alive at (0.0,0.0) Energy=87.5 

o [+4] Add a method int getNumChicken()that returns the number of chicken in the farm.[+2] Add two more methods, getNumCows()and getNumLlamas() that return the number of

cows and llamas on the farm. (hint: use instanceof).

o [+2] Add a method void displaySummary() that prints the total number of animals, the number of each animal type, and the amount of available food (see sample output in part C below).

START CODE

public class Llama extends Animal{ private static int id; public Llama() { setName("Llama" + ++id); setMealAmount(9); } public void sound(){ if(isAlive()) System.out.println("Hmmm!"); } public void jump(){ if(isAlive()) System.out.println("Llamas can jump as following:...!"); } }

public class FarmTest { public static void main(String[] args) throws CloneNotSupportedException {

 Farm myFarm = new Farm(); for(Animal a: myFarm.getAnimals()) 

a.setEnergy(Math.random()*100); System.out.println(" Initial list of animals: -------------------------"); myFarm.printAnimals(); System.out.println(" Adding a clone of the second animal --------------------- --------------"); myFarm.addClone(myFarm.getAnimals()[1]); myFarm.printAnimals(); System.out.println(" After SORTING: --------------"); myFarm.animSort(); myFarm.printAnimals(); System.out.println(" Farm summary: --------------"); myFarm.printSummary();

} }

public class Farm { private double availableFood; private Animal[] animals; public Farm() { setAvailableFood(1000); animals = new Animal[4]; animals[0] = new Chicken(); animals[1] = new Cow(); animals[2] = new Llama(); animals[3] = new Llama(); } public void makeNoise(){ // all animals make their sound (Moo, Cluck, etc) for(Animal animal: animals) animal.sound(); } public void feedAnimals(){ // restore energy of all animals and deduct amount eaten from availableFood for(Animal animal : animals) if(availableFood >= Math.min(animal.getMealAmount(), (100-animal.getEnergy()))) // no penalty if student uses: if(availableFood >= animal.getMealAmount()) availableFood -= animal.eat(); else System.out.println("Not enough food for your animals! You need to collect more food items."); } public double getAvailableFood() { return availableFood; } public void setAvailableFood(double availableFood) { if(availableFood>=0 && availableFood<=1000) this.availableFood = availableFood; } public Animal[] getAnimals() { return animals; } }

public class Cow extends Animal{ private static int id; public Cow() { setName("Cow" + ++id); setMealAmount(20); } public void sound(){ if(isAlive()) System.out.println("Moo!"); } public void milk(){ if(isAlive()) System.out.println("We can milk cows as following:...!"); } }

public class Chicken extends Animal{ private static int id; public Chicken() { setName("Chicken" + ++id); setMealAmount(5); } public void sound(){ if(isAlive()) System.out.println("Cluck!"); } public void swim(){ if(isAlive()) System.out.println("Chicken can swim as following:...!"); } }

public class Animal { private String name; private double energy, mealAmount, x, y, speedX=1, speedY=1; private boolean alive; public Animal() { setEnergy(100); } public void speak(String msg){ if (isAlive()) System.out.println(getName() + " says: " + msg); } public double eat(){ if (isAlive()) { //get amount needed and round to 2 decimals double amount = Math.round((100-getEnergy())*100)/100.0; if (amount >= mealAmount) { System.out.println(getName() + " ate " + mealAmount + " units"); setEnergy(getEnergy() + mealAmount); return mealAmount; } else if (amount > 0) { System.out.println(getName() + " ate " + amount + " units. Now it is full!"); setEnergy(100); return amount; } else { System.out.println(getName() + " didn't eat. It is full!"); return 0; } } else { System.out.println(getName() + " is dead!"); return 0; } } public void move() { if(isAlive()){ x += speedX; y += speedY; setEnergy(getEnergy() - 0.1); }else System.out.println(getName() + "can't move. It is dead!"); } public void sound(){if(isAlive()) System.out.println("Unknown sound!");} //setters, getters, toString public String getName() { return name; } public double getEnergy() { return energy; } public void setName(String name) { this.name = name; } public void setEnergy(double energy) { if(energy>0 && energy <=100) this.energy = energy; if(this.energy <= 17 ) System.out.println(getName() + " says: I'm STARVING"); else if(this.energy <= 50) System.out.println(getName() + " says: I'm hungry"); this.alive = (energy > 0); } public double getMealAmount() { return mealAmount; } public void setMealAmount(double mealAmount) { if(mealAmount>0 && mealAmount<100) this.mealAmount = mealAmount; } public double getX() { return x; } public void setX(double x) { this.x = x; } public double getY() { return y; } public void setY(double y) { this.y = y; } public double getSpeedX() { return speedX; } public void setSpeedX(double speedX) { this.speedX = speedX; } public double getSpeedY() { return speedY; } public void setSpeedY(double speedY) { this.speedY = speedY; } public boolean isAlive() { return alive; } public String toString(){ //return String.format("Alive:%b Name:%-10sEnergy:%-7.1fLocation:(%-2.1f,%-2.1f)", isAlive(), name, energy,x,y); return String.format("%-8s: %-5s at (%-2.1f,%-2.1f) Energy=%-7.1f", name, isAlive()?"alive":"dead",x,y,energy); } }