c#属性的三种设置方法

namespace HomeWork2.Text2_shejishuxing
{
/// <summary>
/// 设计属性
/// </summary>
class Stduent
{
/// <summary>
/// 第一种
/// </summary>
public string name { set; get; }
/// <summary>
/// 第二种
/// </summary>
public string Gender { get => gender; set => gender = value; }

private string gender;
/// <summary>
/// 第三种
/// </summary>
private int age;
public int Age
{
get { return age; }
set
{
if (value > 0)
{
age = value;
}
}
}
public void Show ()
{
Console.WriteLine("我叫{0}，我是{1}生，我今年{2}岁。", name, gender, age);
}

}
}