重写与重载的区别

package oo.day05;
//重写与重载的区别
public class OverrideOverloadDemo {
public static void main(String[] args) {
//重写:看对象的类型 重载:看引用的类型
Eoo eoo = new Eoo();
Coo o = new Doo(); //向上造型
eoo.test(o);
}
}
class Eoo{
void test(Coo o){
System.out.println("父类型参数");
o.show();
}
void test(Doo o){
System.out.println("子类型参数");
o.show();
}
}
class Coo{
void show(){
System.out.println("父类show");
}
}
class Doo extends Coo{
void show(){
System.out.println("子类show");
}
}