JAVA第四次作业（接口）

public
class Application {
 
    /**
     *
@param args
     */
    public
static void main(String[] args) {
       Simulator simulator=new Simulator();
       simulator.playSound(new Dog());
       simulator.playSound(new Cat());
 
    }
 
}
 
public
class Cat implements
Animal{
    public String
getAnimalName(){
       return
"可爱的猫咪";
    }
    public
void
cry(){
       System.out.println("小猫咪的哭声是：喵喵~");
    }
 
}
 
public 
class Dog implements Animal{
    public String getAnimalName(){
       return
"可爱的狗狗";
    }
    public
void cry(){
       System.out.println("狗狗的哭声是：汪汪~");
    }
 
}
 
public
class
Simulator{
    public
void playSound(Animal animal){
    System.out.println(animal.getAnimalName()+"的哭声如下：");
    animal.cry();
    }   
   
}
 
public
interface Animal {
    public
abstract String
getAnimalName();
    public
abstract void cry();
    }