static void Main(string[] args)
{
#region Not generic methods
List <string> names = new List <string> {
"Martin", "Petre", "Teodora", "Eva"
};
List <int> numbers = new List <int> {
1, 2, 3, 4, 5, 56, 6
};
NotGenericListHelper listHelper = new NotGenericListHelper();
listHelper.GoThroughStrings(names);
listHelper.GetInfoForStrings(names);
Console.WriteLine("======================");
listHelper.GoThroughIntegers(numbers);
listHelper.GetInfoForIntegers(numbers);
#endregion
Console.WriteLine("========================== Using Generics ============================");
#region Generic Methods
List <bool> checkList = new List <bool> {
true, true, false, false, false
};
GenericListHelper genericListHelper = new GenericListHelper();
genericListHelper.GoThrough(checkList);
genericListHelper.GoThrough(names);
genericListHelper.GoThrough(numbers);
genericListHelper.GetInfo(checkList);
genericListHelper.GetInfo(names);
genericListHelper.GetInfo(numbers);
#endregion
Console.WriteLine("========================== Using Generic classes and methods ============================");
#region Generic classes and methods
GenericClassListHelper <string> stringHelper = new GenericClassListHelper <string>();
GenericClassListHelper <int> intHelper = new GenericClassListHelper <int>();
stringHelper.GoThrough(names);
stringHelper.GenericProp = "Martin";
intHelper.GoThrough(numbers);
intHelper.GenericProp = 2;
GenericClassListHelper <bool> .GetInfo(checkList);
GenericClassListHelper <int> .GetInfo(numbers);
GenericClassListHelper <string> .GetInfo(names);
#endregion
Console.ReadLine();
}
static void Main(string[] args)
{
#region Not generic methods
NotGenericListHelper listHelper = new NotGenericListHelper();
List <string> strings = new List <string>()
{
"str1", "str2", "str3"
};
List <int> numbers = new List <int>()
{
1, 2, 3, -10
};
listHelper.GoThroughStrings(strings);
listHelper.GoThroughInts(numbers);
listHelper.GetInfoForStrings(strings);
listHelper.GetInfoForInts(numbers);
#endregion
Console.WriteLine("=================== Using Generics =======================");
#region Generic methods
//Methods declared in a class GenericListHelper which is a normal class
//And the methods are generic and can accept all type of Lists.
GenercListHelper genericListHelper = new GenercListHelper();
List <bool> checkList = new List <bool>()
{
true, false, true, true, true
};
genericListHelper.GoThrough(strings);
genericListHelper.GetInfo(strings);
genericListHelper.GoThrough(numbers);
genericListHelper.GetInfo(numbers);
genericListHelper.GoThrough(checkList);
genericListHelper.GetInfo(checkList);
#endregion
Console.WriteLine("=================== Using Generic class methods =======================");
#region Generic classes and methods
//When using a generic class we must instantiate an object of that class
//if it is a non-static class. If it is a static class we can use it by just type the name
//and access the method that we want to use. Don't forget to specify the type in the < > breackets
GenericClassListHelper <string> stringHelper = new GenericClassListHelper <string>();
GenericClassListHelper <int> intHelper = new GenericClassListHelper <int>();
List <string> names = new List <string>()
{
"Martin", "Dejan", "Ivo"
};
stringHelper.GoThrough(names);
stringHelper.GenericProp = "Something but must be string!";
intHelper.GoThrough(numbers);
intHelper.GenericProp = 50;
//Cannot call static method with an instance of the class GenericClassListHelper
//stringHelper.GetInfo();
GenericClassListHelper <bool> .GetInfo(checkList);
#endregion
Console.WriteLine("=================== Using Generic class with constraint entity =======================");
#region Generic class with constraint entity
//Cannot work since int doesn't inherit or implement BaseEntity
//GenericDb<int> intDb = new GenericDb<int>();
OrderDb.Insert(new Order()
{
Id = 1, Reciever = "Martin", Address = "Test address number 10"
});
OrderDb.Insert(new Order()
{
Id = 2, Reciever = "Dejan", Address = "Test address number 11"
});
ProductDb.Insert(new Product()
{
Id = 1, Title = "Lap top", Description = "An amazing lap top!"
});
ProductDb.Insert(new Product()
{
Id = 2, Title = "Mobile phone", Description = "An amazing mobile phone!"
});
Console.WriteLine("Orders:");
OrderDb.PrintAll();
Console.WriteLine("Products:");
ProductDb.PrintAll();
Console.WriteLine("Get Order and Product by ID");
Console.WriteLine("Info about the entities:");
Console.WriteLine(OrderDb.GetById(1).GetInfo());
Console.WriteLine(ProductDb.GetById(1).GetInfo());
Console.WriteLine("Get Order and Product by Index");
Console.WriteLine(OrderDb.GetByIndex(1).GetInfo());
Console.WriteLine(ProductDb.GetByIndex(1).GetInfo());
Console.WriteLine("Remove Order and Product by Id");
OrderDb.RemoveById(1);
ProductDb.RemoveById(2);
Console.WriteLine("Check if itmes were removed");
OrderDb.PrintAll();
ProductDb.PrintAll();
#endregion
Console.ReadLine();
}
