设计继承树2

class Animalz{
    String name;
    String food;
    int hunger;
    void makeNoise(){}
    void eat(){}
    void sleep(){}
    void roam(){}
    
}
 class Feline extends Animalz{
     void roam(){
         System.out.println("猫科动物的活动方式");
     }
 }
 
 class Lion extends Feline{
     void makeNoise(){
         System.out.println("狮子吼");
     }
     void eat(){
         System.out.println("狮子在肉食");
     }
 }
 
 class Canine extends Animalz{
     void roam(){
         System.out.println("犬科动物的移动方式");
     }
 }
public class Jichenshu extends Feline{
    void makeNoise(){
        System.out.println("呜呜呜。。。。");
    }
    void eat(){
        System.out.println("狼吃肉");
    }
    public static void main(String[] args){
        Lion l = new Lion();
        l.makeNoise();
        l.eat();
        
        Jichenshu wolf = new Jichenshu();
        wolf.makeNoise();
        wolf.eat();
    }
}