public EmpSalary(int id,string name,int en)
public EmpSalary(int id,string name):this(id,name,40)
public static void Main()
EmpSalary emp = new EmpSalary(1,"A",10);
Console.WriteLine(emp.Id);
Console.WriteLine(emp.Name);
Console.WriteLine(emp.En);
EmpSalary emp1 = new EmpSalary(2,"B");
Console.WriteLine(emp1.Id);
Console.WriteLine(emp1.Name);
Console.WriteLine(emp1.En);