static void Main(string[] args)
{
// ARRAYLIST
// Creates and initializes a new ArrayList.
// Can hold different types of data
// Use Add/Remove to insert/delete elements
ArrayList myAL = new ArrayList();
myAL.Add("HelloAgain");
myAL.Add("!");
myAL.Add("World");
myAL.Add("!");
myAL.Add("Hello There");
//myAL.Add(1);
//myAL.Add(true);
bool bContains = myAL.Contains("!");
int hereItIs = myAL.IndexOf("Hello"); // returns -1
int hereItIs2 = myAL.LastIndexOf("!");
myAL.Sort();
// Displays the properties and values of the ArrayList.
Console.WriteLine("myAL");
Console.WriteLine(" Count: {0}", myAL.Count);
Console.WriteLine(" Capacity: {0}", myAL.Capacity);
Console.Write(" Values:");
PrintValues(myAL);
// Sorting with IComparable
// create and initalize new ArrayList, i.e. mylist
ArrayList mylist = new ArrayList();
mylist.Add("Welcome");
mylist.Add("to");
mylist.Add("geeks");
mylist.Add("for");
mylist.Add("geeks");
mylist.Add("2");
IComparer Comp1 = new myClass();
// sort the value of ArrayList
// using Sort(IComparer) method
mylist.Sort(Comp1);
foreach (Object ob in mylist)
{
Console.WriteLine(ob);
}
// HASHTABLE
// Create a new hash table.
// Uses Add/Remove
Hashtable openWith = new Hashtable();
// Add some elements to the hash table. There are no
// duplicate keys, but some of the values are duplicates.
openWith.Add("txt", "notepad.exe");
openWith.Add("bmp", "paint.exe");
openWith.Add("dib", "paint.exe");
openWith.Add("rtf", "wordpad.exe");
// The Add method throws an exception if the new key is
// already in the hash table.
try
{
openWith.Add("txt", "winword.exe");
}
catch
{
Console.WriteLine("An element with Key = \"txt\" already exists.");
}
}
