using System.Collections;
public static void Main()
ArrayList friends = new ArrayList();
Console.WriteLine("Friends List");
Console.WriteLine("-----------------------");
Console.WriteLine("Main Menu\n");
Console.WriteLine("1. Display All");
Console.WriteLine("2. Clear List");
Console.WriteLine("3. Insert Item");
Console.WriteLine("4. Delete Item");
Console.WriteLine("5. Search Item");
Console.WriteLine("X. Exit");
Console.Write("Enter an option: ");
selection = Console.ReadLine().ToLower();
Console.WriteLine("Friends:");
Console.WriteLine("-----------------------");
foreach (var item in friends)
Console.WriteLine("-----------------------");
Console.WriteLine("No of friends: {0}", friends.Count);
else if (selection == "2")
Console.WriteLine("Cleared!");
Console.WriteLine("-----------------------");
Console.WriteLine("No of friends: {0}", friends.Count);
else if (selection == "3")
Console.WriteLine("Insert a Friend");
Console.Write("Friend's Name: ");
name = Console.ReadLine();
Console.WriteLine("-----------------------");
Console.WriteLine("No of friends: {0}", friends.Count);
else if (selection == "4")
Console.WriteLine("Delete a Friend");
Console.Write("Friend's Name: ");
name = Console.ReadLine();
if (friends.Contains(name))
Console.WriteLine("Deleted!");
Console.WriteLine("'{0}' was not found!", name);
Console.WriteLine("-----------------------");
Console.WriteLine("No of friends: {0}", friends.Count);
else if (selection == "5")
Console.WriteLine("Search for a Friend");
Console.Write("Friend's Name: ");
name = Console.ReadLine();
if (friends.Contains(name))
Console.WriteLine("Your friend '{0}' is in the list!", name);
Console.WriteLine("'{0}' was not found!", name);
else if (selection != "x")
Console.WriteLine("Invalid selection. Try again!");