C++中public、protected及private用法(From MSDN)，protectedmsdn

C++中public、protected及private用法(From MSDN)，protectedmsdn
public（C# 參考）: https://msdn.microsoft.com/zh-cn/library/yzh058ae.aspx
protected（C# 參考）:https://msdn.microsoft.com/zh-cn/library/bcd5672a.aspx
private（C# 參考):https://msdn.microsoft.com/zh-cn/library/st6sy9xe.aspx

class PointTest{    public int x;     public int y;}class MainClass4{    static void Main()     {        PointTest p = new PointTest();        // Direct access to public members:        p.x = 10;        p.y = 15;        Console.WriteLine("x = {0}, y = {1}", p.x, p.y);     }}// Output: x = 10, y = 15

   class Point     {        protected int x;         protected int y;    }    class DerivedPoint: Point     {        static void Main()         {            DerivedPoint dpoint = new DerivedPoint();            // Direct access to protected members:            dpoint.x = 10;            dpoint.y = 15;            Console.WriteLine("x = {0}, y = {1}", dpoint.x, dpoint.y);         }    }    // Output: x = 10, y = 15

class Employee2{    private string name = "FirstName, LastName";    private double salary = 100.0;    public string GetName()    {        return name;    }    public double Salary    {        get { return salary; }    }}class PrivateTest{    static void Main()    {        Employee2 e = new Employee2();        // The data members are inaccessible (private), so        // they can't be accessed like this:        //    string n = e.name;        //    double s = e.salary;        // 'name' is indirectly accessed via method:        string n = e.GetName();        // 'salary' is indirectly accessed via property        double s = e.Salary;    }}

class Employee2{    private string name = "FirstName, LastName";    private double salary = 100.0;    public string GetName()    {        return name;    }    public double Salary    {        get { return salary; }    }}class PrivateTest{    static void Main()    {        Employee2 e = new Employee2();        // The data members are inaccessible (private), so        // they can't be accessed like this:        //    string n = e.name;        //    double s = e.salary;        // 'name' is indirectly accessed via method:        string n = e.GetName();        // 'salary' is indirectly accessed via property        double s = e.Salary;    }}