public static void Main(string[] args)
{
HashTable hashtable = new HashTable(10);
Console.WriteLine("Telephone area codes in the United States:");
string[] states = { "Arkansas", "California", "Colorado", "Florida", "Georgia", "Hawaii", "Iowa", "Illinois", "Indiana", "Kentucky", "Massachusetts", "Michigan", "Minnesota", "North Carolina", "New Jersey", "New York", "Ohio", "Oklahoma", "Pennsylvania", "Texas", "Virginia", "Washington" };
string[] areaCode = { "479", "510", "303", "727", "478", "808", "641", "309", "574", "270", "978", "616", "763", "828", "973", "585", "330", "405", "215", "432", "804", "425" };
for (int i = 0; i < states.Length; i++)
{
hashtable.Add(states[i], areaCode[i]);
}
Console.WriteLine("\nFind area codes for these states:");
string[] getStates = { "Utah", "Florida", "New Jersey", "South Dakota", "Montana", "Missouri", "Kentucky", "Colorado", "California", "Alabama" };
for (int i = 0; i < getStates.Length; i++)
{
hashtable.Get(getStates[i]);
}
Console.WriteLine("\nDoes the hashtable contains the area codes for these states?");
string[] containsStates = { "Delaware", "Iowa", "Illinois", "Maine", "North Carolina" };
for (int i = 0; i < containsStates.Length; i++)
{
Console.WriteLine($"Hashtable contains key \"{containsStates[i]}\" ? {hashtable.Contains(containsStates[i])}");
}
Console.WriteLine("\nHash these states:");
string[] hashStates = { "Kansas", "Maryland", "Tennessee", "Oregon", "Alaska" };
for (int i = 0; i < hashStates.Length; i++)
{
Console.WriteLine($"Hash \"{hashStates[i]}\" into bucket: {hashtable.Hash(hashStates[i])}");
}
}
static void Main(string[] args)
{
var charFinder = new CharFinder();
var nonRepeatChar = charFinder.FindFirstNonRepeatingCharacter("a apple product");
var repeatChar = charFinder.FindFirstRepeatedCharacter("a apple product");
System.Console.WriteLine($"The first non repeat character is {nonRepeatChar}");
System.Console.WriteLine($"The first repeated character is {repeatChar}");
var hashTable = new HashTable(5);
hashTable.Put(1, "A");
hashTable.Put(2, "B");
hashTable.Put(6, "C");
System.Console.WriteLine($"Get value for key 6: {hashTable.Get(6)}");
hashTable.Put(6, "D");
System.Console.WriteLine($"Get value for key 6 after Update: {hashTable.Get(6)}");
hashTable.Remove(6);
System.Console.WriteLine($"Get value for key 6 after Remove: {hashTable.Get(6)}");
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
HashTable table = new HashTable(1024);
table.Add("soup", "tomato");
var value = table.Get("soup");
Console.WriteLine(value);
var exists = table.Contains("soup");
var exists2 = table.Contains("abc");
System.Console.WriteLine($"Does it exist? {exists}");
System.Console.WriteLine($"Does it exist? {exists2}");
}