interface Animal {public String NAME = "牧羊犬";public void shout();public void info();
}
abstract class Action {public abstract void eat();
}
class Dog extends Action implements Animal{public void eat() {System.out.println("喜欢吃骨头");}public void shout() {System.out.println("汪汪...");public void info() {System.out.println("名称: "+NAME );}}public class q2{ public static void main(String[] args) {Dog dog = new Dog();dog.info();dog.shout();dog.eat();}}