一、Object类简介
namespace Project
{
//C# 所有的类都是继承于Object
class Person
{
public Person()
{
name = "张三";
age = 18;
sex = "男";
Console.WriteLine("Person 构造器");
}
public Person(string name,int age,string sex)
{
this.name = name;
this.age = age;
this.sex = sex;
Console.WriteLine(