public Hashset <K> Intersect(Hashset <K> secondHashSet)
{
var intersectionSet = new Hashset <K>();
foreach (K firstKey in this)
{
if (secondHashSet.Containes(firstKey))
{
intersectionSet.Add(firstKey);
}
}
return(intersectionSet);
}
public Hashset <K> Union(Hashset <K> secondHashSet)
{
var union = new Hashset <K>();
foreach (K key in this)
{
union.Add(key);
}
foreach (K key in secondHashSet)
{
if (!union.Containes(key))
{
union.Add(key);
}
}
return(union);
}
public static void Main(string[] args)
{
LinkedList <KeyValuePair <string, int> > list = new LinkedList <KeyValuePair <string, int> >();
Person person1 = new Person("Pesho", "Peshov", 21);
Person person2 = new Person("Gosho", "Peshov", 22);
Person person3 = new Person("Tosho", "Peshov", 23);
// Console.WriteLine(person1.GetHashCode());
// Console.WriteLine(person2.GetHashCode());
// Console.WriteLine(person3.GetHashCode());
// Console.WriteLine(person1.CompareTo(person2));
// Console.WriteLine(person1.CompareTo(person3));
var hashTable = new HashTable <Person, int>();
hashTable.Add(person1, 1);
hashTable.Add(person2, 1);
hashTable.Add(person3, 2);
foreach (KeyValuePair <Person, int> person in hashTable)
{
Console.WriteLine("Key\n{0}Value: {1}", person.Key, person.Value);
Console.WriteLine();
}
Console.WriteLine("=====FIND=====");
Console.WriteLine(hashTable.Find(person1));
Console.WriteLine("=====REMOVE=====");
Console.WriteLine(hashTable.Remove(person1));
Console.WriteLine(hashTable.Remove(person1));
Console.WriteLine("=====FIND=====");
Console.WriteLine(hashTable.Find(person1));
var keys = hashTable.Keys();
foreach (var item in keys)
{
Console.WriteLine(item);
}
Console.WriteLine("=====INDEXER=====");
Person person4 = new Person("Rosho", "Peshov", 55);
// set
hashTable[person4] = 777;
// get
Console.WriteLine(hashTable[person4]);
Console.WriteLine("=====CLEAR=====");
hashTable.Clear();
Person person5 = new Person("Josh", "Goshov", 33);
hashTable.Add(person5, 1234);
Person person6 = new Person("Losh", "Goshov", 66);
hashTable.Add(person6, 126);
foreach (KeyValuePair <Person, int> person in hashTable)
{
Console.WriteLine("Key\n{0}Value: {1}", person.Key, person.Value);
Console.WriteLine();
}
Console.WriteLine(hashTable.ContainesKey(person6));
Console.WriteLine("=================================================");
Console.WriteLine("=====HashSet=====");
Hashset <Person> hashSet = new Hashset <Person>();
hashSet.Add(person1);
hashSet.Add(person2);
Console.WriteLine(hashSet.Find(person1));
Console.WriteLine(hashSet.Remove(person1));
Console.WriteLine(hashSet.Find(person1));
Console.WriteLine(hashSet.Find(person2));
Console.WriteLine(hashSet.Remove(person2));
Console.WriteLine("=====FOREACH=====");
hashSet.Clear();
hashSet.Add(person1);
hashSet.Add(person2);
foreach (var item in hashSet)
{
Console.WriteLine(item);
}
Console.WriteLine("=====UNION=====");
var secondHashSet = new Hashset <Person>();
secondHashSet.Add(person2);
secondHashSet.Add(person3);
var unionHashset = hashSet.Union(secondHashSet);
foreach (var item in unionHashset)
{
Console.WriteLine(item);
}
Console.WriteLine("=====INTERSECT ====");
var intersectionHashset = hashSet.Intersect(secondHashSet);
foreach (var item in intersectionHashset)
{
Console.WriteLine(item);
}
}
