public void Execute()
{
Double[] _d = new Double[] { 2d, 4d, 6d, 1d, 3d, 5d, 7d, 3d, 5d, 10d };
ArrayList <Double> data = new ArrayList <Double>(_d); //CSharpDataStructures.Structures.Lists;
foreach (Double elem in data)
{
Console.Write(elem);
Console.Write(" ");
}
data.Clear();
data.Add(2d);
data.Add(5d);
data.Add(6d);
data.Add(2d);
data.Add(7d);
data.Add(5d);//256275 -> 2567
Console.Write("\n");
Console.WriteLine(data.Count);
Console.WriteLine(data);
data.Purge();
Console.WriteLine(data);
LinkedList <string> linkedList = new LinkedList <string>();
// добавление элементов
linkedList.Add("Tom");
linkedList.Add("Alice");
linkedList.Add("Bob");
linkedList.Add("Sam");
// выводим элементы
foreach (var item in linkedList)
{
Console.WriteLine(item);
}
// удаляем элемент
linkedList.Remove("Alice");
foreach (var item in linkedList)
{
Console.WriteLine(item);
}
// проверяем наличие элемента
bool isPresent = linkedList.Contains("Sam");
Console.WriteLine(isPresent == true ? "Sam присутствует" : "Sam отсутствует");
Console.WriteLine(linkedList.Count);
Console.WriteLine(linkedList);
Console.WriteLine(linkedList[1]); //Tom.
linkedList.Insert(3, "Duke"); //Tom Bob->Duke->Sam
Console.WriteLine(linkedList);
LinkedQueue <Int32> queue = new LinkedQueue <Int32>();
queue.Clear();
queue.Enqueue(1);
queue.Enqueue(2);
queue.Dequeue();
Console.WriteLine(queue);
Console.WriteLine(queue.Front().ToString());
//Linq methods.
LinkedList <Int32> li1 = new LinkedList <Int32>();
LinkedList <Int32> li2 = new LinkedList <Int32>();
for (Int32 i = 0; i < 10; i++)
{
li1.Add(i);
li2.Add(i * 3);
if (i % 2 == 0)
{
li2.Add(i);
}
}
Console.WriteLine("Li1: " + li1);
Console.WriteLine("Li2: " + li2);
IE li3 = ((IE)li1).Intersect(li2); //IEnumerable<Int32>
Console.WriteLine("Li3 = Li1 AND Li2");
foreach (Int32 iii in li3)
{
Console.Write(iii + " ");
}
Console.WriteLine("Li4 = Li3");
LinkedList <Int32> li4 = Intersect(li1, li2);
IE li5 = (IE)li4;
LinkedList <Int32> li6 = li5 as LinkedList <Int32>;//li4 WAS LinkedList. li5 is IEnumerable. Can Cast it.
Console.WriteLine(li6 == null);
Console.WriteLine("Li4");
Console.WriteLine(li6);
foreach (Int32 iiii in li4)
{
Console.Write(iiii + " ");
}
}
