Copy Constructor in C#

Constructor is similar to method, which has same name of class name , which is invoked when an object an is create.

 we used this methods generally for intialisations;

Types of Constructors :

1)Default - doesnt have any arguments

2)Paramterized- have arguments 

3)copy constructor:

This copy constructor is invoked when an object is copied from other object.

When there is a copy constructor we need to write default constructor.

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace ConsoleApplication6

{

    class Program

    {

        static void Main(string[] args)

       {

           employee e = new employee();

           e.ReadData();

            employee f = new employee(e);// classname obj = new classname(orj)

           f.getData();

            

           //Syntax to create array of objects

           Console.Read();

        }

    }

    class employee

    {

        private int eno;

        private string eName;

        private double sal;

        public employee()

        {

        }

        public employee(employee prev)

        {

            eno = prev.eno;

            eName = prev.eName;

            sal = prev.sal;

        }

        public void getData()

        {

            Console.WriteLine("Eno :-" + eno + " Ename :-" + eName+ " Ename :-" + eName);

        }

        public void ReadData()

        {

            Console.Write("enter Eno :");

            eno = Convert.ToInt32(Console.ReadLine());

            Console.Write("enter Ename :");

            eName = Console.ReadLine();

            Console.Write("enter Sal :");

            sal = Convert.ToDouble(Console.ReadLine());

        }

    }

}