^ ऑपरेटर - इसे एंड ऑपरेटर से इंडेक्स के रूप में जाना जाता है।
यह अनुक्रम या संग्रह के अंत के सापेक्ष एक इंडेक्स देता है।
यह पहले के तरीकों की तुलना में अंतिम तत्वों को खोजने का सबसे कॉम्पैक्ट और आसान तरीका है।
company.listEmployees[^2].Name ="कर्मचारी 2 का नाम नए सिंटैक्स का उपयोग करके बदला गया";
company.listEmployees[^5].Name ="कर्मचारी 5 का नाम नए सिंटैक्स का उपयोग करके बदला गया";
company.listEmployees[^8].Name ="कर्मचारी 8 का नाम नए सिंटैक्स का उपयोग करके बदला गया";
उदाहरण
public class Employee{
public int EmployeeId { get; set; }
public string Name { get; set; }
public string Gender { get; set; }
}
public class Company{
public List<Employee> listEmployees;
public Company(){
listEmployees = new List<Employee>();
listEmployees.Add(new Employee
{ EmployeeId = 1, Name = "SS", Gender = "Male" });
listEmployees.Add(new Employee
{ EmployeeId = 2, Name = "SSS", Gender = "Female" });
listEmployees.Add(new Employee
{ EmployeeId = 3, Name = "SSSS", Gender = "Male" });
listEmployees.Add(new Employee
{ EmployeeId = 4, Name = "EE", Gender = "Female" });
listEmployees.Add(new Employee
{ EmployeeId = 5, Name = "EEEE", Gender = "Female" });
listEmployees.Add(new Employee
{ EmployeeId = 6, Name = "TTT", Gender = "Male" });
listEmployees.Add(new Employee
{ EmployeeId = 7, Name = "FFF", Gender = "Male" });
listEmployees.Add(new Employee
{ EmployeeId = 8, Name = "GGG", Gender = "Male" });
}
public string this[int employeeId]{
get{
return listEmployees.
FirstOrDefault(x => x.EmployeeId == employeeId).Name;
}
set{
listEmployees.
FirstOrDefault(x => x.EmployeeId == employeeId).Name = value;
}
}
}
class Program{
public static void Main(){
Company company = new Company();
Console.WriteLine("Name of Employee with Id = 2: " + company[2]);
Console.WriteLine("Name of Employee with Id = 5: " + company[5]);
Console.WriteLine("Name of Employee with Id = 8: " + company[8]);
System.Console.WriteLine();
Console.WriteLine("Changing names of employees with Id = 2,5,8");
company[2] = "Employee 2 Name Changed";
company[5] = "Employee 5 Name Changed";
company[8] = "Employee 8 Name Changed";
System.Console.WriteLine();
Console.WriteLine("Name of Employee with Id = 2: " + company[2]);
Console.WriteLine("Name of Employee with Id = 5: " + company[5]);
Console.WriteLine("Name of Employee with Id = 8: " + company[8]);
company.listEmployees[^2].Name = "Employee 2 Name Changed using new
Syntax";
company.listEmployees[^5].Name = "Employee 5 Name Changed using new
Syntax";
company.listEmployees[^8].Name = "Employee 8 Name Changed using new
Syntax";
System.Console.WriteLine();
Console.WriteLine("Name of Employee with Id = 2: " +
company.listEmployees[^2].Name);
Console.WriteLine("Name of Employee with Id = 5: " +
company.listEmployees[^5].Name);
Console.WriteLine("Name of Employee with Id = 8: " +
company.listEmployees[^8].Name);
Console.ReadLine();
}
} आउटपुट
Name of Employee with Id = 2: SSS Name of Employee with Id = 5: EEEE Name of Employee with Id = 8: GGG Changing names of employees with Id = 2,5,8 Name of Employee with Id = 2: Employee 2 Name Changed Name of Employee with Id = 5: Employee 5 Name Changed Name of Employee with Id = 8: Employee 8 Name Changed Name of Employee with Id = 2: Employee 2 Name Changed using new Syntax Name of Employee with Id = 5: Employee 5 Name Changed using new Syntax Name of Employee with Id = 8: Employee 8 Name Changed using new Syntax