本文主要是介绍C++中public、protected及private用法(From MSDN),希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
public(C# 参考): https://msdn.microsoft.com/zh-cn/library/yzh058ae.aspx
protected(C# 参考):https://msdn.microsoft.com/zh-cn/library/bcd5672a.aspx
private(C# 参考):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 propertydouble 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 propertydouble s = e.Salary;} }
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