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What is Sortedset in C# ?

  • C# SortedSet class can be used to store, remove or view elements.
  • It maintains ascending order and does not store duplicate elements.
  • It is suggested to use SortedSet class if you have to store unique elements and maintain ascending order.
  • It is found in System.Collections.Generic namespace.
 Sorting

Sorting

Constructors:

Name Description
SortedSet<T>() Initializes a new instance of the SortedSet<T> class
SortedSet<T>(IComparer<T>) Initializes a new instance of the SortedSet<T> class that uses a specified comparer.
SortedSet<T>(IEnumerable<T>) Initializes a new instance of the SortedSet<T> class that contains elements copied from a specified enumerable collection.
SortedSet<T>(IEnumerable<T>, IComparer<T>) Initializes a new instance of the SortedSet<T> class that contains elements copied from a specified enumerable collection and that uses a specified comparer.
SortedSet<T>(SerializationInfo, StreamingContext) Initializes a new instance of the SortedSet<T> class that contains serialized data.

Properties:

Name Description
Comparer Gets the IComparer<T> object that is used to order the values in the SortedSet<T>.
Count Gets the number of elements in the SortedSet<T>..
Max Gets the maximum value in the SortedSet<T>, as defined by the comparer.
Min Gets the minimum value in the SortedSet<T>, as defined by the comparer
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C# SortedSet<T> example:

  • Let's see an example of generic SortedSet<T> class that stores elements using Add() method and iterates elements using for-each loop.
using System;  
using System.Collections.Generic;  
  
public class SortedSetExample  
{  
    public static void Main(string[] args)  
    {  
        // Create a set of strings  
        var names = new SortedSet<string>();  
        names.Add("Sonoo");  
        names.Add("Ankit");  
        names.Add("Peter");  
        names.Add("Irfan");  
        names.Add("Ankit");//will not be added  
          
        // Iterate SortedSet elements using foreach loop  
        foreach (var name in names)  
        {  
            Console.WriteLine(name);  
        }  
    }  
}  

C# examples - Output :

Ankit
Irfan
Peter
Sonoo
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C# SortedSet<T> example 2

  • Let's see another example of generic SortedSet<T> class that stores elements using Collection initializer.
using System;  
using System.Collections.Generic;  
  
public class SortedSetExample  
{  
    public static void Main(string[] args)  
    {  
        // Create a set of strings  
       var names = new SortedSet<string>(){"Sonoo", "Ankit", "Peter", "Irfan"};  
          
        // Iterate SortedSet elements using foreach loop  
        foreach (var name in names)  
        {  
            Console.WriteLine(name);  
        }  
    }  
}  

C# examples - Output :

Ankit
Irfan
Peter
Sonoo


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