C# | Count the number of key/value pairs in the Hashtable (original) (raw)

• C# | Count the number of key/value pairs in HybridDictionary HybridDictionary.Count property is used to get the number of key/value pairs contained in the HybridDictionary. Syntax: public int Count { get; } Return Value: The number of key/value pairs contained in the HybridDictionary. Note: Retrieving the value of this property is an O(1) operation. Below pro 2 min read
• C# | Get the number of key/value pairs in the StringDictionary StringDictionary.Count property is used to get the number of key/value pairs in the StringDictionary. Syntax: public virtual int Count { get; } Return Value: It returns the number of key/value pairs in the StringDictionary. Note: Retrieving the value of this property is an O(1) operation. Below prog 2 min read
• C# | Get the number of key/value pairs contained in ListDictionary ListDictionary.Count property is used to get the number of key/value pairs contained in the ListDictionary. Syntax: public int Count { get; } Return Value : The number of key/value pairs contained in the ListDictionary. Below are the programs to illustrate the use of ListDictionary.Count property: E 2 min read
• C# | Get the number of key/values pairs contained in OrderedDictionary OrderedDictionary.Count property is used to get the number of key/values pairs contained in the OrderedDictionary collection. Syntax: public int Count { get; } Return Value: The number of key/value pairs contained in the OrderedDictionary collection. Below given are some examples to understand the i 2 min read
• Count number of equal pairs in a string Given a string s, find the number of pairs of characters that are same. Pairs (s[i], s[j]), (s[j], s[i]), (s[i], s[i]), (s[j], s[j]) should be considered different. Examples : Input: airOutput: 3Explanation :3 pairs that are equal are (a, a), (i, i) and (r, r)Input : geeksforgeeksOutput : 31Recommen 8 min read
• C# | Get or Set the value associated with specified key in Hashtable Hashtable.Item[Object] Property is used to get or set the value associated with the specified key in the Hashtable. Syntax: public virtual object this[object key] { get; set; } Here, key is key of object type whose value is to get or set. Exceptions: ArgumentNullException: If the key is null. NotSup 3 min read
• C# | Gets an ICollection containing the values in the Hashtable Hashtable.Values Property is used to get an ICollection containing the values in the Hashtable. Syntax: public virtual System.Collections.ICollection Values { get; } Return Value: This property returns an ICollection containing the values in the Hashtable. Note: The order of values in the ICollectio 2 min read
• C# | Check if the Hashtable contains a specific Value The Hashtable class represents a collection of key-and-value pairs that are organized based on the hash code of the key. The key is used to access the items in the collection. Hashtable.ContainsValue(Object) Method is used to check whether the Hashtable contains a specific value or not. Syntax: publ 2 min read
• Count number of distinct pairs whose sum exists in the given array Given an array of N positive integers. Count the number of pairs whose sum exists in the given array. While repeating pairs will not be counted again. And we can't make a pair using same position element. Eg : (2, 1) and (1, 2) will be considered as only one pair. Please read all examples carefully. 7 min read
• C# | Get the number of elements in the SortedSet SortedSet class represents the collection of objects in sorted order. This class comes under the System.Collections.Generic namespace. SortedSet.Count Property is used to get the number of elements in the SortedSet. Properties: In C#, SortedSet class can be used to store, remove or view elemen 2 min read