C# 语法练习(9): 类[一] - 访问限制、方法、字段、属性

using System;

class MyClass1
{

}

class MyClass2 : Object
{

}

class MyClass3 : System.Object
{

}

class Program
{
    static void Main()
    {
        MyClass1 obj1 = new MyClass1();
        MyClass2 obj2 = new MyClass2();
        MyClass3 obj3 = new MyClass3();

        Console.WriteLine(obj1.ToString()); //MyClass1
        Console.WriteLine(obj2.ToString()); //MyClass2
        Console.WriteLine(obj3.ToString()); //MyClass3

        Console.ReadKey();
    }
}

 
 
 
  using S