static void Main(string[] args)
{
Employee e1 = new Employee("Jhon", "Doe", 2000);
Console.WriteLine("The name in object e1 is:" + e1.name);
Console.WriteLine("The salary in object e1 is:" + e1.salary);
//increaseSalary(e1);
e1.increaseSalary();
Console.WriteLine("The salary (after increase) in object e1 is:" + e1.salary);
Console.ReadLine();
}