1. Java Programming how to write test strategy for the Fox class inheriate from parten class animal. 
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3. public class fox extends Animal
   {
      public Bilby(String id,boolean isNewBorn)
      {
          super(id, true, isNewBorn, 0.15);
      }  
4.    public void OverPopulation()
      {
          super.setIsAlive(false);
      }
5.    public String toString()
   {
          return "Fox[id=B" + super.toString() + "]";
   }
   }
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9. Animal class fields all come with getter&  setter.
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12. public class Animal
    {
       private String id;
       private boolean isAlive;
       private boolean isNewBorn;
       private double bornRate;
    }