/**
* 動物類父類
* @author lincc
*
*/
public class Animal {
String name;
public Animal(String name) {
this.name=name;
}
public void say(){
System.out.println("名字是："+name);
}
}
package com.test;
/**
* 狗類 子類
* @author lincc
*
*/
public class Dog extends Animal{
public Dog(String name) {
super(name);
}
//相同的方法名，不同的參數列表，多態性
public void say(String name,String color){
System.out.println("是壹條"+color+"的名為"+name+"的狗");
}
public static void main(String[] args) {
Dog dog=new Dog("大黃");
dog.say();
dog.say("小白","白色");
}
}