HashSet(T).Clear Method removes all elements from a HashSet(Of T) object. : HashSet « Data Structure « VB.Net






  1. VB.Net
  2. Data Structure
  3. HashSet

HashSet(T).Clear Method removes all elements from a HashSet(Of T) object.

 

Imports System
Imports System.Collections.Generic

Class Program
    Shared Sub Main()
    
        Dim Numbers As HashSet(Of Integer) = New HashSet(Of Integer)()
    
        For i As Integer = 0 To 9
            Numbers.Add(i)
        Next i
    
        Console.Write("Numbers contains {0} elements: ", Numbers.Count)
    
        Numbers.Clear()
        Numbers.TrimExcess()
    
        Console.Write("Numbers contains {0} elements: ", Numbers.Count)
    
    End Sub
End Class








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9.HashSet(T).Contains Method tells whether a HashSet(Of T) object contains the specified element.
10.HashSet(T).ExceptWith Method removes all elements in the specified collection from the current HashSet(Of T) object.
11.HashSet(T).IsProperSubsetOf Method tells whether a HashSet(Of T) object is a proper subset of the specified collection.
12.HashSet(T).SymmetricExceptWith Method keeps elements that are present either in that object or in the specified collection, but not both.