Basic Example of using Constructor

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace TestingOops
{
   class Employee
   {
      public int Empage
      {
         get; set;
      }
      public string Empname
      {
         get;set;
      }
      public string Empphonenumber
      {
         get;
         set;
      }
      public double Empsalary
      {
         get;
         set;
      }
      public void Bonus(double yearsbouns)
      {
         Empsalary = Empsalary + Empsalary * yearsbouns;
      }
      public Employee(int empage,string empname,string empphonenumber,double empsalary) // Defining a constructor and passing parameters
      {
         Empsalary = empsalary;
         Empage = empage;
         Empname = empname;
         Empphonenumber = empphonenumber;
      }
      public Employee() //Defining this constructor as default.
      {
      }
   }
   class Program
   {
      static void Main(string[] args)
      {
         Employee emp = new Employee
         {
            Empage=32,
            Empname="Ujjwal",
            Empphonenumber="9031-214-542",
            Empsalary=50000
         };
         Console.WriteLine("Employee Name is : \'{0}\' and Age is {1}. {0} gets salary of $ {2} and his phone number is {3}",emp.Empname,emp.Empage,emp.Empsalary,emp.Empphonenumber);
emp.Bonus(0.05);
         Console.WriteLine("{0}'s salary after bonus is $ {1}", emp.Empname, emp.Empsalary);
         Employee Steve = new Employee(22,"Steven Mathews","242-34-53",30000);
         Console.WriteLine("Employee Name is : \'{0}\' and Age is {1}. {0} gets salary of $ {2} and his phone number is {3}", Steve.Empname, Steve.Empage, Steve.Empsalary, Steve.Empphonenumber);
         Console.ReadKey();
      }
   }
}