package com.itheima.first;
import java.util.*;

interface Animal
{
   String getName();
   String cry();
}
class Dog implements Animal
{
   private String name;

   public Dog(String name)
   {
      this.name = name;
   }

   public String getName()
   {
      return name;
   }

   public String cry()
   {
      return "woof! woof!";
   }
}
class Cat implements Animal
{
   private String name;

   public Cat(String name)
   {
      this.name = name;
   }

   public String getName()
   {
      return name;
   }

   public String cry()
   {
      return "Meow!";
   }
}
public class Application {
	public static void main(String args[])
    {

        ArrayList<Animal> animals = new ArrayList<Animal>();
        animals.add(new Dog("Bala"));
        animals.add(new Cat("Bolo"));

        for (Animal animal: animals)
        {
            System.out.println(animal.getName());
            System.out.println(animal.cry());
        }
    }
}