public interface Animal{
void call();
}
class Cat implements Animal{
public void call() {
System.out.println("喵喵喵..");
}
}
class Dog implements Animal{
public void run() {
System.out.println("汪汪汪..");
}
public class TestAnimal {
public static void main(String[] args) {
Cat cat = new Cat();
cat.call();
Dog dog = new Dog();
dog.call();
}
}