static void Main(string[] args)
{
// this is my simple implementation, which can only store integers
LinkedList list = new LinkedList();
list.Add(5);
list.Add(2);
list.Add(10);
Console.WriteLine(list.Print());
int?a = list.RemoveLast();
Console.WriteLine(list.Print());
Console.WriteLine(a);
// this is my generic implementation, which can store any type of data
LinkedListGeneric <string> list2 = new LinkedListGeneric <string>();
list2.Add("first");
list2.Add("second");
Console.WriteLine(list2.Print());
// this is the implementation of .NET Framework in System.Collections.Generic
List <int> mylist = new List <int>();
mylist.Add(5);
mylist.Add(6);
mylist.Add(6);
// it has various useful methods
Console.WriteLine(mylist.Contains(4));
Console.WriteLine(mylist.IndexOf(6));
// access a single element using [index]
// read
Console.WriteLine(mylist[0]);
// or write
mylist[0] = 10;
// but always index < Count or else
// it will throw Exception
// Console.WriteLine(mylist[5]);
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("-- Linked list of integers");
LinkedList myList = new LinkedList();
Console.WriteLine(myList.GetString());
myList.Add(5);
Console.WriteLine(myList.GetString());
myList.Add(10);
Console.WriteLine(myList.GetString());
myList.Add(20);
Console.WriteLine(myList.GetString());
Console.WriteLine($"Count= {myList.Count}");
Console.WriteLine("-- Generic linked list with strings");
LinkedListGeneric <string> list1;
list1 = new LinkedListGeneric <string>();
list1.Add("Hello world!");
list1.Add("My name is");
list1.Add("John");
// Because we overrided ToString()
Console.WriteLine(list1);
// Get value at index = 1
Console.WriteLine($"list1[1] = {list1.Get(1)}");
// Remove first item
list1.RemoveAt(0);
Console.WriteLine($"After RemoveAt[0] -> {list1}");
// The following line will throw an IndexOutOfRangeException
//list1.RemoveAt(5);
// We can bulletproof our code with try-catch
// and run alternative code if exception is thrown
try
{
list1.RemoveAt(8);
}
catch
{
Console.WriteLine("Exception was thrown!");
}
Console.WriteLine("-- Generic linked list with integers");
LinkedListGeneric <int> list2 = new LinkedListGeneric <int>();
list2.Add(10);
list2.Add(2);
list2.Add(100);
// Because we overrided ToString()
Console.WriteLine(list2);
Console.WriteLine("-- Generic linked list with booleans");
LinkedListGeneric <bool> list3 = new LinkedListGeneric <bool>();
list3.Add(false);
list3.Add(false);
list3.Add(true);
// Because we overrided ToString()
Console.WriteLine(list3);
Console.ReadKey();
}
