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C# | Check if a SortedSet is a superset of the specified 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>.IsSupersetOf(IEnumerable<T>) method is used to check whether a SortedSet<T> object is a superset of the 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:

mySet1.IsSupersetOf(mySet2);

Here, mySet1 and mySet2 are the two objects of SortedSets.

Return Value: This method returns True if the SortedSet<T> object is superset of other, otherwise returns false.



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

Below are the programs to illustrate the use of SortedSet<T>.IsSupersetOf(IEnumerable<T>) method:

Example 1 :




// C# code to Check if a SortedSet is a
// superset of the specified collection
using System;
using System.Collections.Generic;
  
class GFG {
  
    // Driver code
    public static void Main()
    {
  
        // Creating a SortedSet of strings
        SortedSet<string> mySet1 = new SortedSet<string>();
  
        // Inserting elements in SortedSet
        mySet1.Add("Geeks");
        mySet1.Add("GeeksQuiz");
  
        // Creating a SortedSet of strings
        SortedSet<string> mySet2 = new SortedSet<string>();
  
        // Inserting elements in SortedSet
        mySet2.Add("DS");
        mySet2.Add("C++");
        mySet2.Add("Java");
        mySet2.Add("JavaScript");
        mySet2.Add("GeeksQuiz");
        mySet2.Add("Geeks");
  
        // Check if a SortedSet is a superset
        // of the specified collection
        // It should return true as SortedSet mySet2
        // is superset of SortedSet mySet1
        Console.WriteLine(mySet2.IsSupersetOf(mySet1));
    }
}
Output:
True

Example 2:




// C# code to Check if a SortedSet is a
// superset of the specified collection
using System;
using System.Collections.Generic;
  
class GFG {
  
    // Driver code
    public static void Main()
    {
  
        // Creating a SortedSet of integers
        SortedSet<int> mySet1 = new SortedSet<int>();
  
        // Inserting elements in SortedSet
        mySet1.Add(2);
        mySet1.Add(3);
        mySet1.Add(4);
        mySet1.Add(5);
  
        // Creating a SortedSet of integers
        SortedSet<int> mySet2 = new SortedSet<int>();
  
        // Inserting elements in SortedSet
        mySet2.Add(3);
        mySet2.Add(4);
        mySet2.Add(5);
        mySet2.Add(6);
  
        // Check if a SortedSet is a superset
        // of the specified collection
        // It should return false as SortedSet mySet2
        // is not a superset of SortedSet mySet1
        Console.WriteLine(mySet2.IsSupersetOf(mySet1));
    }
}
Output:
False

Reference:

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