Constructor Chaining in C sharp with program

using System; class employee { string message; public employee() { } public employee(string mess) { message = mess; } public void displayME() { Console.WriteLine(message); } } class manager:employee { string message; public manager() { } public manager(string m) :base(m) { message = m; } public void displayM() { Console.WriteLine(message); } public static void Main() { manager deepa = new manager(“leave for two days”); deepa.displayM(); deepa.displayME(); } } OUTPUT: leave for…

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Program for abstract class using C sharp Dot net

using System; interface IPlay { string play(); } class hockey : IPlay { string IPlay.play() { return “yes ….hockey”; } } class cricket : IPlay { string IPlay.play() { return “cricket…”; } } class chess : IPlay { string IPlay.play() { return “chess”; } } class ui { public void PlayType(IPlay ptr) { Console.WriteLine(ptr.play()); } public static void Main() { ui obj = new ui(); obj.PlayType(new cricket()); obj.PlayType(new hockey()); obj.PlayType(new…

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Program for Run Time Polymorphism using C Sharp

using System; class Manager {      public virtual void Work()      {          Console.WriteLine(“Manager”);      } } class Employee : Manager {      public override void Work()      {          Console.WriteLine(“Employee”);      } } class Trainee : Employee {      public override void Work()      {          Console.WriteLine(“Trainee”);      }      public void Chess()      {          Console.WriteLine(“Playing chess”);      } } class Program {     public static void Main()…

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Program for Hashtable in C Sharp

using System; using System.Collections; using System.Collections.Generic; class Employee {     public int EmpId;     public string EmpName;     public static void Main()     {        Hashtable AnyEmployee = new Hashtable();         AnyEmployee.Add(1, new Employee(){EmpId=101, EmpName = “Shubham”});         AnyEmployee.Add(2, new Employee(){EmpId=102, EmpName=”Ankit”});        Employee e = (Employee)AnyEmployee[2]; // FOUCS ON SYNTAX         /*If I put 1 in [] bracket,then it will print  Employee Id:101, Employee Name:Shubham*/…

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