To check if a SortedSet object is a proper superset of the specified collection, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main(){       SortedSet set1 = new SortedSet();       set1.Add(10);       set1.Add(20);       set1.Add(30);       set1.Add(40);       set1.Add(50);       set1.Add(60);       Console.WriteLine("Elements in SortedSet1...");       foreach (int res in set1){          Console.WriteLine(res);       }       SortedSet set2 = new SortedSet();       ... Read More

To check if a SortedSet object is a proper subset of the specified collection, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main(){       SortedSet set1 = new SortedSet();       set1.Add(20);       set1.Add(40);       set1.Add(60);       set1.Add(80);       set1.Add(100);       set1.Add(120);       set1.Add(140);       Console.WriteLine("Elements in SortedSet1...");       foreach (int res in set1){          Console.WriteLine(res);       }       SortedSet set2 = new SortedSet(); ... Read More

To check if the Hashtable contains a specific value, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(){       Hashtable hash = new Hashtable();       hash.Add("1", "A");       hash.Add("2", "B");       hash.Add("3", "C");       hash.Add("4", "D");       hash.Add("5", "E");       hash.Add("6", "F");       hash.Add("7", "G");       hash.Add("8", "H");       hash.Add("9", "I");       hash.Add("10", "J");       Console.WriteLine("Hashtable Key and Value pairs...");       foreach(DictionaryEntry entry in ... Read More

To check if Hashtable has a fixed size, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(){       Hashtable hash = new Hashtable(10);       hash.Add("1", "A");       hash.Add("2", "B");       hash.Add("3", "C");       hash.Add("4", "D");       hash.Add("5", "E");       hash.Add("6", "F");       hash.Add("7", "G");       hash.Add("8", "H");       hash.Add("9", "I");       hash.Add("10", "J");       Console.WriteLine("Is the Hashtable having fixed size? = "+hash.IsFixedSize);    } }OutputThis will ... Read More

To check if an element is in the Queue, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main(){       Queue queue = new Queue();       queue.Enqueue("Electronics");       queue.Enqueue("Accessories");       queue.Enqueue("Toys");       queue.Enqueue("Books");       queue.Enqueue("Furniture");       queue.Enqueue("Clothing");       queue.Enqueue("Footwear");       queue.Enqueue("Cookware");       queue.Enqueue("Pet Supplies");       Console.WriteLine("Elements in the Queue...");       foreach(var element in queue){          Console.WriteLine(element);       }       Console.WriteLine("Do ... Read More

To check if an element is in the Collection, the code is as follows −Example Live Demousing System; using System.Collections.ObjectModel; public class Demo {    public static void Main(){       Collection col = new Collection();       col.Add(10);       col.Add(20);       col.Add(30);       col.Add(40);       col.Add(50);       col.Add(60);       col.Add(70);       col.Add(80);       Console.WriteLine("Elements in the Collection...");       foreach(int val in col){          Console.WriteLine(val);       }       Console.WriteLine("Does the collection has the element ... Read More

To check if an array object is equal to another array object, the code is as follows −Example Live Demousing System; public class Demo {    public static void Main(){       String[] strArr1 = new String[3] { "John", "Jacob", "Tim"};       String[] strArr2 = new String[3] { "Tom", "Brad", "Bradley"};       Console.WriteLine("First String array...");       foreach(string val in strArr1){          Console.WriteLine(val);       }       Console.WriteLine("Second String array...");       foreach(string val in strArr2){          Console.WriteLine(val);       }       ... Read More

To check if a HashSet is a proper subset of the specified collection, try the following code −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main(){       HashSet set1 = new HashSet();       set1.Add(70);       set1.Add(100);       set1.Add(125);       set1.Add(150);       Console.WriteLine("Elements in HashSet1");       foreach(int val in set1){          Console.WriteLine(val);       }       HashSet set2 = new HashSet();       set2.Add(30);       set2.Add(60);       set2.Add(70);       ... Read More

To check if a HashSet contains the specified element, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main(){       HashSet set1 = new HashSet();       set1.Add(25);       set1.Add(50);       set1.Add(75);       set1.Add(100);       set1.Add(125);       set1.Add(150);       Console.WriteLine("Elements in HashSet1");       foreach(int val in set1){          Console.WriteLine(val);       }       HashSet set2 = new HashSet();       set2.Add(30);       set2.Add(60);     ... Read More

To check if an array is read-only or not, try the below code −Example Live Demousing System; public class Demo {    public static void Main(){       string[] products = new string[] { };       Console.WriteLine("One or more planets begin with 'E'? = {0}",          Array.Exists(products, ele => ele.StartsWith("E")));       Console.WriteLine("Is the array having fixed size? = " + products.IsFixedSize);       Console.WriteLine("Is the array read only? = " + products.IsReadOnly);    } }OutputThis will produce the following code −One or more planets begin with 'E'? = False Is the array ... Read More