C# | Check if a SortedSet object is a proper superset of the specified collection

SortedSet class represents the collection of objects in sorted order. This class comes under the System.Collections.Generic namespace. SortedSet<T>.IsProperSupersetOf(IEnumerable<T>) method is used to check whether a SortedSet object is a proper superset of the specified collection or not.

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.IsProperSupersetOf(mySet2);

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

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



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

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

Example 1:

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// C# code to Check if a SortedSet is a
// proper 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
        for (int i = 0; i < 10; i++) {
            mySet1.Add(i);
        }
  
        // 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 proper superset
        // of the specified collection
        // It should return false as SortedSet mySet2
        // is not a proper superset of SortedSet mySet1
        Console.WriteLine(mySet2.IsProperSupersetOf(mySet1));
    }
}

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Output:

False

Example 2:

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// C# code to Check if a SortedSet is a
// proper 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("A");
        mySet1.Add("B");
        mySet1.Add("C");
        mySet1.Add("D");
        mySet1.Add("A");
  
        // Creating a SortedSet of strings
        SortedSet<string> mySet2 = new SortedSet<string>();
  
        // Inserting elements in SortedSet
        mySet2.Add("B");
        mySet2.Add("C");
        mySet2.Add("D");
        mySet2.Add("D");
  
        // Check if a SortedSet is a proper superset
        // of the specified collection
        // It should return true as SortedSet mySet1
        // is proper superset of SortedSet mySet2
        Console.WriteLine(mySet1.IsProperSupersetOf(mySet2));
    }
}

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Output:

True

Reference:



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