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C# | Intersection of SortedSet with a collection
  • Last Updated : 01 Feb, 2019

SortedSet class represents the collection of objects in sorted order. This class comes under the System.Collections.Generic namespace. SortedSet<T>.IntersectWith(IEnumerable<T>) method is used to modify the current SortedSet<T> object so that it contains only elements that are also in a specified collection.

Properties:

  • In 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.

Syntax:

mySortedSet1.IntersectWith(mySortedSet2);

Here, mySortedSet1 and mySortedSet2 are two SortedSet’s object.

Exception: This method will give ArgumentNullException if the SortedSet is null.



Below given are some examples to understand the implementation in a better way:

Example 1:




// C# code to get the Intersection of 2 SortedSets
using System;
using System.Collections.Generic;
  
class GFG {
  
    // Driver code
    public static void Main()
    {
  
        // Creating a SortedSet of integers
        SortedSet<int> mySortedSet1 = new SortedSet<int>();
  
        // adding elements in mySortedSet1
        mySortedSet1.Add(2);
        mySortedSet1.Add(4);
        mySortedSet1.Add(6);
        mySortedSet1.Add(8);
        mySortedSet1.Add(10);
  
        // Creating a SortedSet of integers
        SortedSet<int> mySortedSet2 = new SortedSet<int>();
  
        // adding elements in mySortedSet
        mySortedSet2.Add(4);
        mySortedSet2.Add(5);
        mySortedSet2.Add(7);
        mySortedSet2.Add(8);
        mySortedSet2.Add(9);
  
        Console.WriteLine("The intersection of mySortedSet1 and mySortedSet2:");
  
        mySortedSet1.IntersectWith(mySortedSet2);
  
        // To display the intersection 
        // of mySortedSet1 and mySortedSet2
        foreach(int i in mySortedSet1)
        {
            Console.WriteLine(i);
        }
    }
}
Output:
The intersection of mySortedSet1 and mySortedSet2: 
4
8

Example 2:




// C# code to get the Intersection of 2 SortedSets
using System;
using System.Collections.Generic;
  
class GFG {
  
    // Driver code
    public static void Main()
    {
  
        // Creating a SortedSet of strings
        SortedSet<string> mySortedSet1 = new SortedSet<string>();
  
        // adding elements in mySortedSet1
        mySortedSet1.Add("Geeks");
        mySortedSet1.Add("for");
        mySortedSet1.Add("Geeks");
        mySortedSet1.Add("Noida");
        mySortedSet1.Add("Data Structures");
  
        // Creating a SortedSet of strings
        SortedSet<string> mySortedSet2 = new SortedSet<string>();
  
        // adding elements in mySortedSet
        mySortedSet2.Add("Geeks");
        mySortedSet2.Add("Java");
        mySortedSet2.Add("Geeks Classes");
        mySortedSet2.Add("C++");
        mySortedSet2.Add("Noida");
  
        Console.WriteLine("The Intersection of mySortedSet1 and mySortedSet2:");
  
        mySortedSet1.IntersectWith(mySortedSet2);
  
        // To display the intersection of
        // mySortedSet1 and mySortedSet2
        foreach(string str in mySortedSet1)
        {
            Console.WriteLine(str);
        }
    }
}
Output:
The Intersection of mySortedSet1 and mySortedSet2 is: 
Geeks
Noida

Reference:

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