C# 构造函数及其重载

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace gouzao
{
    class Program
    {
        static void Main(string[] args)
        {
            Person p = new Person();
            Person p1 = new Person("Tom");
            Person p2 = new Person(7,"Gino");

            Console.WriteLine("name:{0},age:{1}",p.Name,p.Age);
            Console.WriteLine("name:{0},age:{1}", p1.Name, p1.Age);
            Console.WriteLine("name:{0},age:{1}", p2.Name, p2.Age);

            Console.ReadKey();
        }
    }

    class Person
    {
        private int age;
        public string Name { get; set; }
        public int Age 
        { 
            get
            {
                return this.age +1 ;
            }

            set
            {
                this.age = value;
            }
        }

        public Person()
        {
            this.Name = "NoName";
            this.Age = 11;
        }
        public Person(string str)
        {
            this.Name = str;
            //这里的Age默认是0
        }
        public Person(int age, string name)
        {
            this.Age = age;
            this.Name = name;
        }
    }
}