Check if a SortedSet is a subset of the specified collection in C#

To check if a SortedSet is a subset of the specified collection, the code is as follows −

Example

 Live Demo

using System;
using System.Collections.Generic;
public class Demo {
   public static void Main(){
      SortedSet<string> set1 = new SortedSet<string>();
      set1.Add("AB");
      set1.Add("BC");
      set1.Add("CD");
      set1.Add("EF");
      Console.WriteLine("Elements in SortedSet1...");
      foreach (string res in set1){
         Console.WriteLine(res);
      }
      SortedSet<string> set2 = new SortedSet<string>();
      set2.Add("BC");
      set2.Add("CD");
      set2.Add("DE");
      set2.Add("EF");
      set2.Add("AB");
      set2.Add("HI");
      set2.Add("JK");
      Console.WriteLine("Elements in SortedSet2...");
      foreach (string res in set2){
         Console.WriteLine(res);
      }
      Console.WriteLine("SortedSet1 is a subset of SortedSet2? = "+set1.IsSubsetOf(set2));
   }
}

Output

This will produce the following output −

Elements in SortedSet1...
AB
BC
CD
EF
Elements in SortedSet2...
AB
BC
CD
DE
EF
HI
JK
SortedSet1 is a subset of SortedSet2? = True

Example

Let us see another example:

 Live Demo

using System;
using System.Collections.Generic;
public class Demo {
   public static void Main(){
      SortedSet<string> set1 = new SortedSet<string>();
      set1.Add("CD");
      set1.Add("CD");
      set1.Add("CD");
      set1.Add("CD");
      Console.WriteLine("Elements in SortedSet1...");
      foreach (string res in set1){
         Console.WriteLine(res);
      }
      SortedSet<string> set2 = new SortedSet<string>();
      set2.Add("BC");
      set2.Add("CD");
      set2.Add("DE");
      set2.Add("EF");
      set2.Add("AB");
      set2.Add("HI");
      set2.Add("JK");
      Console.WriteLine("Elements in SortedSet2...");
      foreach (string res in set2){
         Console.WriteLine(res);
      }
      Console.WriteLine("SortedSet1 is a subset of SortedSet2? = "+set1.IsSubsetOf(set2));
   }
}

Output

This will produce the following output −

Elements in SortedSet1...
CD
Elements in SortedSet2...
AB
BC
CD
DE
EF
HI
JK SortedSet1 is a subset of SortedSet2? = True