Trying to write this class in java and could use some help Class Zoo java.lang.O

ID: 3589074 • Letter: T

Question

Trying to write this class in java and could use some help

Class Zoo

java.lang.Object

zoo.Zoo

public class Zoo extends java.lang.Object

This class models a simple zoo with four cages and four different types of animals (one in each cage). It also has a zoo keeper that tends to the animals as instructed by client code through the various public methods. Lastly, the zoo has a pantry in which different types of foods are stored for the animals.

Field Summary

Fields
Modifier and Type Field and Description
static int DOLPHINLOCATION
The cage number for the Dolphin in the zoo.

static int ELEPHANTLOCATION
The cage number for the Elephant in the zoo.

static int PENGUINLOCATION
The cage number for the Penguin in the zoo.
static int TIGERLOCATION

The cage number for the Tiger in the zoo.

Constructor Summary

Constructor and Description

Zoo()
Constructor for Zoo which creates all necessary elements for the zoo simulation as described in the class-level javadoc.

Method Summary

Modifier and Type Method and Description

boolean cleanCage(int cage)
Cleans the cage of the Animal at the specified location if sufficient energy is available to the keeper.

int endDay()
Ends a day at the Zoo.

boolean feedAnimal(int cage, ZooPantry.AllowableFoods foodId)
Feed an Animal found in the given cage location a Food in the given foodCrate location only if there is enough food in the foodCrate and the Keeper has enough energy to expend on the Food's exhaustion cost.

boolean giveTigerBall()
ZooKeeper gives ball to the Tiger if there is sufficient energy available.

boolean swimWithDolphin()
Keeper Swims with the Dolphin if sufficient energy is available and updates state information of both ZooKeeper and Dolphin accordingly.

java.lang.String toString()
Generates a String representation of the Game.

Field Detail

ELEPHANTLOCATION

public static final int ELEPHANTLOCATION
The cage number for the Elephant in the zoo.

DOLPHINLOCATION

public static final int DOLPHINLOCATION
The cage number for the Dolphin in the zoo

PENGUINLOCATION

public static final int PENGUINLOCATION
The cage number for the Penguin in the zoo.

TIGERLOCATION

public static final int TIGERLOCATION
The cage number for the Tiger in the zoo.

Explanation / Answer

Solution==========================

Seems a lot of classes and it's associated functions are missing, Like Animal, Pantry etc..

I have tried to emulate many these classes, so to make a somewhat complete.. Feel free to modify and enchance to make it more, let me know if any doubts..

import java.util.Random;

//A makeshift Zoo Pantry
class ZooPantry{
public static enum AllowableFoods {Meat, Plants};
public static int foodAmountLeft[] = {100,100};
}

//Animal Class
class Animal{

   boolean sleep;

   public Animal(){
       sleep=false;
   }

   public void sleep(boolean status){
       sleep=status;
   }

   public void feed(){

   }
}

//Zoo keeper
class Zookeeper{
   int energy;

   public Zookeeper(){
       energy=10;
   }

   public void resetEnergy(){
       energy=10;
   }

   public int getEnergy(){
       return energy;
   }

   public boolean reduceEnergy(int amt){
       if((energy-amt)<0) return false;

       energy=energy-amt;
       return true;
   }
}

public class Zoo {

   public static int DOLPHINLOCATION;
   public static int ELEPHANTLOCATION;
   public static int PENGUINLOCATION;
   public static int TIGERLOCATION;

   Animal tiger;
   Animal elephant;
   Animal penguin;
   Animal dolphin;

   Zookeeper zookeeper;

   public Zoo(){
       zookeeper = new Zookeeper();

       tiger= new Animal();
       elephant= new Animal();
       penguin= new Animal();
       dolphin= new Animal();
   }

   public boolean cleanCage(int cage){
       if(zookeeper.getEnergy()>0){
           zookeeper.reduceEnergy(1);
           System.out.println("Cage "+cage+" cleaned");
           return true;
       }
       return false;
   }

   public int endDay(){
       zookeeper.resetEnergy();
       tiger.sleep(true);
       elephant.sleep(true);
       penguin.sleep(true);
       dolphin.sleep(true);

       Random rand = new Random();
       int cage = rand.nextInt(4) + 1;
       feedAnimal(cage, ZooPantry.AllowableFoods.Meat);

       return 0;
   }

   public boolean feedAnimal(int cage, ZooPantry.AllowableFoods foodId){
       if(zookeeper.getEnergy()>0){
           if(cage==DOLPHINLOCATION && ZooPantry.foodAmountLeft[foodId.ordinal()] > 0){
               zookeeper.reduceEnergy(1);
               ZooPantry.foodAmountLeft[foodId.ordinal()]--;
               dolphin.feed();
           }
           else if(cage==ELEPHANTLOCATION && ZooPantry.foodAmountLeft[foodId.ordinal()] > 0){
               zookeeper.reduceEnergy(1);
               ZooPantry.foodAmountLeft[foodId.ordinal()]--;
               elephant.feed();
           }
           else if(cage==PENGUINLOCATION && ZooPantry.foodAmountLeft[foodId.ordinal()] > 0){
               zookeeper.reduceEnergy(1);
               ZooPantry.foodAmountLeft[foodId.ordinal()]--;
               penguin.feed();
           }
           else if(cage==TIGERLOCATION && ZooPantry.foodAmountLeft[foodId.ordinal()] > 0){
               zookeeper.reduceEnergy(1);
               ZooPantry.foodAmountLeft[foodId.ordinal()]--;
               tiger.feed();
           }

           return true;
       }

       return false;
   }

   public boolean giveTigerBall(){
       if(zookeeper.getEnergy()>0){
           zookeeper.reduceEnergy(1);
           System.out.println("Given ball to tiger");
           return true;
       }

       return false;
   }

   public boolean swimWithDolphin(){
       if(zookeeper.getEnergy()>0){
           zookeeper.reduceEnergy(1);
           System.out.println("Swimming with dolphin");
           return true;
       }

       return false;
   }

public static void main(String[] args) {
// TODO Auto-generated method stub

}

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Trying to write this class in java and could use some help Class Zoo java.lang.O

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