Question

Define a class called Lake that defines the following private instance variables name - a String representing the name of the lake . fish - an array which will contain all Fish objects that are in the lake . capacity- an int indicating the maximum number of fish that can be kept in the lake numFish- an int indicating the number of fish that are currently in the lake Write the following get methods for the name and numFish instance variables . a method called isFull() which returns a boolean indicating whether or not the lake has reached its capacity of fish a constructor that takes the name and capacity of the lake a constructor that takes zero-arquments . a toString) method that returns a string in the following format: "White Lake containing 8 fish" .

public class Fish {
  private String species;
  private int size;
  private boolean hungry;

  public Fish() {
  }

  public Fish(String species, int size) {
    this.species = species;
    this.size = size;
  }

  public String getSpecies() {
    return species;
  }

  public int getSize() {
    return size;
  }

  public boolean isHungry() {
    return hungry;
  }

  public void setHungry(boolean hungry) {
    this.hungry = hungry;
  }

  public String toString() {
    return "A "+(hungry?"hungry":"full")+" "+size+"cm "+species;
  }
}

Answer 1

class Lake{
   private String name;
   private Fish fish[];
   private int capacity;
   private int numFish;
   public String getName() {
       return name;
   }
   public void setName(String aName) {
       name = aName;
   }
   public int getNumFish() {
       return numFish;
   }
   public void setNumFish(int aNumFish) {
       numFish = aNumFish;
   }
   public boolean isFull(){
       return numFish==capacity;
   }
   public Lake(String aName, int aCapacity) {
       super();
       name = aName;
       capacity = aCapacity;
       fish= new Fish[capacity];
   }
   public Lake(){
      
   }
   public String toString(){
       return name+" Lake containing "+numFish+" fish";
   }
  
}

class Fish {
   private String species;
   private int size;
   private boolean hungry;

   public Fish() {
   }

   public Fish(String species, int size) {
   this.species = species;
   this.size = size;
  
   }

   public String getSpecies() {
   return species;
   }

   public int getSize() {
   return size;
   }

   public boolean isHungry() {
   return hungry;
   }

   public void setHungry(boolean hungry) {
   this.hungry = hungry;
   }

   public String toString() {
   return "A "+(hungry?"hungry":"full")+" "+size+"cm "+species;
   }
   }

public class TestFish {
public static void main(String[] args) {
   Lake l = new Lake("White", 10);
   System.out.println(l);
}
}

Console X terminated> TestFish Java Application] C. Soft PegaEclipse White Lake containing 0 fish

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