static void Main(string[] args)
{
#region Generics with primitive types
List <string> strings = new List <string>()
{
"str1", "str2", "str3"
};
List <int> ints = new List <int>()
{
5, 22, -18
};
List <bool> bools = new List <bool> {
true, false, true
};
// Not generic methods
Console.WriteLine("NOT GENERIC --------------");
NotGenericListHelper.GoThrougStrings(strings);
NotGenericListHelper.GetInfoForStrings(strings);
NotGenericListHelper.GoThrougInts(ints);
NotGenericListHelper.GetInfoForInts(ints);
NotGenericListHelper.GoThrougBools(bools);
NotGenericListHelper.GetInfoForBools(bools);
// THIS IS AN EXAMPLE FOR GENERIC METHODS
Console.WriteLine("GENERIC METHODS --------------");
// GenericListHelper.GoThrough<string>(strings); // OG type of writing generic methods
// Even though the above example is a correct implementation, it has a simple version. The one bellow
GenericListHelper.GoThrough(strings);
GenericListHelper.GetInfo(strings);
GenericListHelper.GoThrough(ints);
GenericListHelper.GetInfo(ints);
GenericListHelper.GoThrough(bools);
GenericListHelper.GetInfo(bools);
List <char> chars = new List <char>()
{
'c', 'b', '0'
};
GenericListHelper.GoThrough(chars);
GenericListHelper.GetInfo(chars);
// Generic class
GenericListHelperClass <string> genericHelper1 = new GenericListHelperClass <string>();
GenericListHelperClass <int> genericHelper2 = new GenericListHelperClass <int>();
GenericListHelperClass <bool> genericHelper3 = new GenericListHelperClass <bool>();
Console.WriteLine("GENERIC CLASS --------------");
genericHelper1.GoThrough(strings);
genericHelper1.GetInfo(strings);
genericHelper2.GoThrough(ints);
genericHelper2.GetInfo(ints);
genericHelper3.GoThrough(bools);
genericHelper3.GetInfo(bools);
Console.ReadLine();
#endregion
#region Generics with complex types
// When we call the insert method on OrderDb the items will be stored in a list of orders
// When we call the insert method on ProductDb the items will be stored in a list of products
Console.Clear();
OrderDb.Insert(new Order()
{
Id = 1, Address = "Bob street 29", Receiver = "Bob"
});
OrderDb.Insert(new Order()
{
Id = 2, Address = "Jill street 31", Receiver = "Jill"
});
OrderDb.Insert(new Order()
{
Id = 3, Address = "Greg street 11", Receiver = "Greg"
});
ProductDb.Insert(new Product()
{
Id = 1, Description = "For gaming", Title = "Mouse"
});
ProductDb.Insert(new Product()
{
Id = 2, Description = "Mechanical", Title = "Keyboard"
});
ProductDb.Insert(new Product()
{
Id = 3, Description = "64GB", Title = "USB"
});
Console.WriteLine("-----------------------------");
Console.WriteLine("Orders:");
OrderDb.PrintAll();
Console.WriteLine("Products:");
ProductDb.PrintAll();
Console.WriteLine("------ Get by id 1 from Orders -----");
Console.WriteLine(OrderDb.GetById(1).GetInfo());
Console.WriteLine("------ Get by id 1 from Products -----");
Console.WriteLine(ProductDb.GetById(1).GetInfo());
Console.WriteLine("------ Removing id 1 from Orders -----");
OrderDb.DeleteById(1);
Console.WriteLine("------ Removing id 1 from Products -----");
ProductDb.DeleteById(1);
Console.WriteLine("-----------------------------");
Console.WriteLine("Orders:");
OrderDb.PrintAll();
Console.WriteLine("Products:");
ProductDb.PrintAll();
Console.ReadLine();
#endregion
}