public class TestOverride{
public static void main(String[] args) {
Animal animal = new Animal();
animal.shout();
Dog dog = new Dog();
dog.shout();
}
}
class Animal{
void shout() {
System.out.print("发出声音");
}
}
class Dog extends Animal{
void shout() {
System.out.print("声音");
}
}