封装是将数据封装到单个单元中的概念。它将数据成员和成员函数收集到称为类的单个单元中。封装的目的是防止外部数据被篡改。此数据只能由类的getter函数访问。
完全封装的类具有用于读写数据的getter和setter函数。此类不允许直接访问数据。
namespace AccessSpecifiers { class Student { //Creating setter and getter for each property public string ID { get; set; } public string Name { get; set; } public string Email { get; set; } } }
using System; namespace AccessSpecifiers { class Program { static void Main(string[] args) { Student student = new Student(); //Setting values to the properties student.ID = "101"; student.Name = "Mohan Ram"; student.Email = "[email protected]"; //getting values Console.WriteLine("ID = "+student.ID); Console.WriteLine("Name = "+student.Name); Console.WriteLine("Email = "+student.Email); } } }
输出:
ID = 101 Name = Mohan Ram Email = [email protected]
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