public static void Main(string[] args)
{
var dictionary = new MultiDictionary <Keys, myString>
{
{ 1, "one" },
{ 2, "two" },
{ 3, "three" },
{ 1, "ich" },
{ 2, "nee" },
{ 3, "sun" }
};
PrintDictionary(dictionary);
Console.WriteLine($"Does the dictionary contain a key \"1\"? \n{dictionary.ContainsKey(1)} to that brother");
Console.WriteLine($"Does the dictionary contain a key \"3\" and value \"sun\" ? \n{dictionary.Contains(3, "sun")} to that brother\n");
Console.WriteLine("Removing all one's");
try
{
dictionary.Remove(1);
}
catch (ArgumentOutOfRangeException e)
{
Console.WriteLine("there was no key called \"1\"");
}
PrintDictionary(dictionary);
Console.WriteLine($"Now, does the dictionary contain a key \"1\"? \n{dictionary.ContainsKey(1)} to that brother\n");
Console.WriteLine("Removing just \"nee\":");
dictionary.Remove(2, "nee");
PrintDictionary(dictionary);
Console.WriteLine($"Now, does the dictionary contain a key \"2\" and value \"nee\"? \n{dictionary.Contains(2, "nee")} to that brother\n");
Console.WriteLine("Clearing Dictionary");
dictionary.Clear();
PrintDictionary(dictionary);
}
public static void Main(string[] args)
{
var dictionary = new MultiDictionary <int, string>
{
{ 1, "one" },
{ 2, "two" },
{ 3, "three" },
{ 1, "ich" },
{ 2, "nee" },
{ 3, "sun" }
};
Console.WriteLine("Initial state:");
DisplayDictionary(dictionary);
Console.WriteLine("After Removing key = 3, value = sun:");
dictionary.Remove(3, "sun");
DisplayDictionary(dictionary);
Console.WriteLine("After Removing key = 3:");
dictionary.Remove(3);
DisplayDictionary(dictionary);
Console.WriteLine("After Removing key = 1:");
dictionary.Remove(1);
DisplayDictionary(dictionary);
Console.WriteLine("Returning to Initial state:");
dictionary.Add(1, "one");
dictionary.Add(1, "ich");
dictionary.Add(3, "three");
dictionary.Add(3, "sun");
DisplayDictionary(dictionary);
Console.WriteLine("After Clearing the dictionary:");
dictionary.Clear();
DisplayDictionary(dictionary);
Console.WriteLine("Returning to Initial state:");
dictionary.Add(1, "one");
dictionary.Add(1, "ich");
dictionary.Add(2, "two");
dictionary.Add(2, "nee");
dictionary.Add(3, "three");
dictionary.Add(3, "sun");
DisplayDictionary(dictionary);
Console.WriteLine("The values are:");
foreach (var value in dictionary.Values)
{
Console.WriteLine(value);
}
Console.WriteLine();
Console.WriteLine("The Keys are:");
foreach (var key in dictionary.Keys)
{
Console.WriteLine(key);
}
Console.WriteLine();
Console.WriteLine(dictionary.Contains(1, "one")
? "The Multi Dictionary contains key = 1, value = one"
: "The Multi Dictionary does not contain key = 1, value = one");
Console.WriteLine(dictionary.ContainsKey(3)
? "The Multi Dictionary contains key = 3"
: "The Multi Dictionary does not contain key = 3");
}
static void Main(string[] args)
{
MultiDictionary <int, string> multyDictionary = new MultiDictionary <int, string>();
//add values
multyDictionary.Add(1, "one");
multyDictionary.Add(1, "ich");
multyDictionary.Add(2, "two");
multyDictionary.Add(2, "nee");
multyDictionary.Add(3, "three");
multyDictionary.Add(3, "sun");
// ienumrable
foreach (var item in multyDictionary)
{
Console.WriteLine(item.Value);
}
IEnumerable d = multyDictionary;
foreach (var item in d)
{
Console.WriteLine(item.ToString());
}
// contains
string ans;
if (multyDictionary.ContainsKey(3))
{
ans = "contains 3";
}
else
{
ans = "not contains 3";
}
if (multyDictionary.ContainsKey(4))
{
ans += " and contains 4";
}
else
{
ans += " and not contains 4";
}
if (multyDictionary.Contains(3, "three"))
{
ans += " and contains 3,three";
}
else
{
ans += " and not contains 3,three";
}
if (multyDictionary.Contains(3, "aa"))
{
ans += " and contains 3,aa";
}
else
{
ans += " and not contains 3,aa";
}
Console.WriteLine(ans);
// count and remove
Console.WriteLine("there are " + multyDictionary.Count + " items in the collection");
multyDictionary.Remove(1, "one");
Console.WriteLine("there are " + multyDictionary.Count + " items in the collection");
multyDictionary.Remove(2);
Console.WriteLine("there are " + multyDictionary.Count + " items in the collection");
//clear
multyDictionary.Clear();
Console.WriteLine("there are " + multyDictionary.Count + " items in the collection");
}
static void Main(string[] args)
{
MultiDictionary <int, string> md = new MultiDictionary <int, string>();
md.Add(1, "one");
md.Add(2, "two");
md.Add(3, "three");
md.Add(1, "ich");
md.Add(2, "nee");
md.Add(3, "sun");
Console.WriteLine("*******************************");
Console.WriteLine("checking IEnumerable: ");
foreach (var val in (IEnumerable)md)
{
Console.WriteLine(val);
}
Console.WriteLine("*******************************");
Console.WriteLine("your multiDictionary size: " + md.Count);
Console.WriteLine("*******************************");
Console.WriteLine("remove key 1");
md.Remove(1);
Console.WriteLine("*******************************");
Console.WriteLine("your multiDictionary size after: " + md.Count);
Console.WriteLine("*******************************");
Console.WriteLine("checking IEnumerable: ");
foreach (var val in (IEnumerable)md)
{
Console.WriteLine(val);
}
Console.WriteLine("*******************************");
Console.WriteLine("remove (2,two)");
md.Remove(2, "two");
Console.WriteLine("your multiDictionary size after: " + md.Count);
Console.WriteLine("*******************************");
Console.WriteLine("checking IEnumerable: ");
foreach (var val in (IEnumerable)md)
{
Console.WriteLine(val);
}
Console.WriteLine("*******************************");
Console.WriteLine("try to remove value that not exits return: " + md.Remove(3, "kkkk"));
Console.WriteLine("*******************************");
Console.WriteLine("checking contains (4,four) return " + md.Contains(4, "four"));
Console.WriteLine("*******************************");
Console.WriteLine("checking contains (3,three) return " + md.Contains(3, "three"));
Console.WriteLine("*******************************");
Console.WriteLine("checking contains (4) return " + md.ContainsKey(4));
Console.WriteLine("*******************************");
Console.WriteLine("checking contains (3) return " + md.ContainsKey(3));
Console.WriteLine("*******************************");
Console.WriteLine("your values: ");
var values = md.Values;
foreach (var val in (values))
{
Console.WriteLine(val);
}
Console.WriteLine("*******************************");
Console.WriteLine("your keys: ");
var keys = md.Keys;
foreach (var key in keys)
{
Console.WriteLine(key);
}
Console.WriteLine("*******************************");
Console.WriteLine("clear : ");
md.Clear();
Console.WriteLine("your multiDictionary size after: " + md.Count);
Console.WriteLine("*******************************");
}
public static void Main()
{
MultiDictionary <int, string> multiDictionary = new MultiDictionary <int, string>();
multiDictionary.Add(1, "one");
multiDictionary.Add(2, "two");
multiDictionary.Add(3, "three");
multiDictionary.Add(1, "ich");
multiDictionary.Add(2, "nee");
multiDictionary.Add(3, "sun");
foreach (KeyValuePair <int, string> item in multiDictionary)
{
Console.WriteLine("the key:{0}, the value: {1}", item.Key, item.Value);
}
Console.WriteLine("All the values in dictionary");
foreach (string valueItem in multiDictionary.Values)
{
Console.WriteLine("{0},", valueItem);
}
Console.WriteLine("All the keys in the dictionary");
foreach (int keyItem in multiDictionary.Keys)
{
Console.WriteLine("{0},", keyItem);
}
Console.WriteLine("the number of items in dictionary {0}", multiDictionary.Count);
bool isRemoved = multiDictionary.Remove(1, "one");
if (isRemoved)
{
Console.WriteLine("Dictionary after removal");
foreach (KeyValuePair <int, string> item in multiDictionary)
{
Console.WriteLine("the key:{0}, the value: {1}", item.Key, item.Value);
}
}
else
{
Console.WriteLine("cant Remove this item");
}
bool isKeyRemoved = multiDictionary.Remove(1);
if (isKeyRemoved)
{
Console.WriteLine("The dictionary after removal");
foreach (KeyValuePair <int, string> item in multiDictionary)
{
Console.WriteLine("the key:{0}, the value: {1}", item.Key, item.Value);
}
}
else
{
Console.WriteLine("cant Remove this item ,its not exist");
}
bool isContainKey = multiDictionary.ContainKey(3);
if (isContainKey)
{
Console.WriteLine("the dictionaty contains key");
}
else
{
Console.WriteLine("The key doesn't exist");
}
bool isContains = multiDictionary.Contains(3, null);
if (isContains)
{
Console.WriteLine("The dictionary contains the value");
}
else
{
Console.WriteLine("No such value");
}
multiDictionary.Clear();
}