/// <summary>
/// Two differnet ways to handle a conversion from string to int.
/// One using a try/catch block with an exception
/// The other uses the out method which is NOT recommended.
/// </summary>
static void Main(string[] args)
{
var customer = new Customer(1);
customer.Orders.Add(new Order());
customer.Orders.Add(new Order());
customer.Promote();
Console.WriteLine(customer.Orders.Count);
// best way
try
{
var num = int.Parse("abc");
}
catch (Exception ex)
{
Console.WriteLine("Conversion failed");
}
// this way is not recommended
var result = int.TryParse("abc", out int number);
if (result)
{
Console.WriteLine(number);
}
else
{
Console.WriteLine("Conversion failed");
}
}
private static void UseReadonly()
{
var customer = new Customer(1);
customer.Orders.Add(new Order());
customer.Orders.Add(new Order());
customer.Promote();
Console.WriteLine(customer.Orders.Count);
}
static void Main(string[] args)
{
//var person = Person.Parse("Dharmendra");
//person.Introduce("SS");
//var customer = new Customer(1, "Dharmendra");
//System.Console.WriteLine(customer.Name);
//System.Console.WriteLine(customer.Id);
//var order = new Order();
//customer.Orders.Add(order);
//System.Console.WriteLine(customer.Orders);
//UseParams();
//UsePoints();
var customer = new Customer(1);
customer.Orders.Add(new Order());
customer.Orders.Add(new Order());
Console.WriteLine(customer.Orders.Count);
customer.Promote();
Console.WriteLine(customer.Orders.Count);
}