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Check if a HashSet is a proper superset of the specified collection in C#
To check if a HashSet is a proper superset of the specified collection, the code is as follows −
Example
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(){
HashSet<int> set1 = new HashSet<int>();
set1.Add(30);
set1.Add(60);
set1.Add(70);
set1.Add(80);
set1.Add(100);
set1.Add(125);
set1.Add(150);
set1.Add(200);
Console.WriteLine("Elements in HashSet1");
foreach(int val in set1){
Console.WriteLine(val);
}
HashSet<int> set2 = new HashSet<int>();
set2.Add(30);
set2.Add(60);
set2.Add(70);
Console.WriteLine("Elements in HashSet2");
foreach(int val in set2){
Console.WriteLine(val);
}
Console.WriteLine("Is set1 a proper superset of set2? "+set1.IsProperSupersetOf(set2));
}
}Output
This will produce the following output −
Elements in HashSet1 30 60 70 80 100 125 150 200 Elements in HashSet2 30 60 70 Is set1 a proper superset of set2? True
Example
Let us now see another example −
using System;
using System.Collections.Generic;
public class Demo {
public static void Main(){
HashSet<string> set1 = new HashSet<string>();
set1.Add("AB");
set1.Add("CD");
set1.Add("EF");
set1.Add("GH");
set1.Add("IJ");
set1.Add("KL");
set1.Add("MN");
set1.Add("OP");
Console.WriteLine("Elements in HashSet1");
foreach(string val in set1){
Console.WriteLine(val);
}
HashSet<string> set2 = new HashSet<string>();
set2.Add("EF");
set2.Add("KL");
Console.WriteLine("Elements in HashSet2");
foreach(string val in set2){
Console.WriteLine(val);
}
Console.WriteLine("Is set1 a proper superset of set2? "+set1.IsProperSupersetOf(set2));
}
}Output
This will produce the following output −
Elements in HashSet1 AB CD EF GH IJ KL MN OP Elements in HashSet2 EF KL Is set1 a proper superset of set2? True
Updated on: 05-Dec-2019
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