HashTable Class

Hashtable

The Hashtable class represents a collection of key-and-value pairs that are organized based on the hash code of the key. It uses the key to access the elements in the collection.

A hashtable is used when you need to access elements by using key, and you can identify a useful key value.

Each item in the hashtable has a key/value pair. The key is used to access the items in the collection.

 

 

S.N Method Name & Purpose
1 Public Overridable Sub Add (key As Object, value As Object )

Adds an element with the specified key and value into the Hashtable.

2 Public Overridable Sub Clear

Removes all elements from the Hashtable.

3 Public Overridable Function ContainsKey (key As Object) As Boolean

Determines whether the Hashtable contains a specific key.

4 Public Overridable Function ContainsValue (value As Object) As Boolean

Determines whether the Hashtable contains a specific value.

5 Public Overridable Sub Remove (key As Object)

Removes the element with the specified key from the Hashtable.

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