唐宇迪人工智能经典项目实战(面试必备)
public class Animal {
String name;
Integer age;
public Animal() {
}
public Animal(String name, Integer age) {
this.name = name;
this.age = age;
}
void run() {
System.out.println("一只" + this.age + "岁的" + this.name + "在奔跑!~~");
}
void sound() {
System.out.println("一只" + this.age + "岁的" + this.name + "在吼叫!~~");
}}
