正Man's World

多少努力 就得多少分 ： 65


class Animal
{
 private int legs;
 private int steps;

 public void Animal()
  {
   setLegs(4);
  }
 public void Animal(int L)
  {
   setLegs(L);
  }
 public void eat()
  {
   System.out.println("Eating.....");
  }
 public void move()
 {
  if (steps!=10)
     {
      steps ++;
      System.out.println("Moving...");
     }else{System.out.println("Maximum steps! Can not move!!");}
 }
 public void move(int S)
  {
   if (steps+S <= 10)
   {
    steps=steps+S;
    System.out.println("Moving " + S +" steps!");
   }else{
         if (steps >= 10 || steps+S >=10)
            {
             System.out.println("Maximum steps! Can not move!!");
            }
        }
  }
 public void back(int S)
  {
   if (steps!=0)
     {
      steps --;
      System.out.println("Back " + S + " Steps");
     }else{System.out.println("Can not Back!!");}
  }
 public void setLegs(int L)
  {
   if((L != 0 )||( L != 2) ||( L !=4))
   {
   System.out.println("Wrong number of legs!");return;
   }else legs=L;
  }

 public int getLegs()
  {
   return legs;
  }
 public int getSteps()
  {
   return steps;
  }

}

public class java1101
{
 public static void main(String[] args)
 {
  Animal Cow = new Animal();
  Animal Bird = new Animal();
  Animal Taco = new Animal();
  int steps;
  Cow.Animal(4);
  Bird.Animal(2);
  Taco.Animal(8);
System.out.println("");
System.out.println("Bird");
  Bird.move(2);
  Bird.eat();
  Bird.move(7);
  Bird.eat();
  Bird.move(4);
  steps=Bird.getSteps();
  System.out.println("Bird steps"+ steps);

System.out.println("");
System.out.println("Cow");
  Cow.eat();
  Cow.eat();
  Cow.move(6);
  Cow.back(4);
  Cow.move(2);
  Cow.back(3);
  steps=Cow.getSteps();
  System.out.println("Cow steps"+ steps);

 }
}