To remove all objects from 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("Gary");       queue.Enqueue("Jack");       queue.Enqueue("Ryan");       queue.Enqueue("Kevin");       queue.Enqueue("Mark");       queue.Enqueue("Jack");       queue.Enqueue("Ryan");       queue.Enqueue("Kevin");       Console.Write("Count of elements = ");       Console.WriteLine(queue.Count);       queue.Clear();       Console.Write("Count of elements (updated) = ");       Console.WriteLine(queue.Count);    } }OutputThis will produce ... Read More

To remove all entries from the ListDictionary, the code is as follows −Example Live Demousing System; using System.Collections; using System.Collections.Specialized; public class Demo {    public static void Main(){       ListDictionary dict1 = new ListDictionary();       dict1.Add("A", "Books");       dict1.Add("B", "Electronics");       dict1.Add("C", "Smart Wearables");       dict1.Add("D", "Pet Supplies");       dict1.Add("E", "Clothing");       dict1.Add("F", "Footwear");       Console.WriteLine("ListDictionary1 elements...");       foreach(DictionaryEntry d in dict1){          Console.WriteLine(d.Key + " " + d.Value);       }       ListDictionary dict2 = ... Read More

To check if a HashSet 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(){       HashSet set1 = new HashSet();       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 set2 = ... Read More

To remove all elements in a collection from a HashSet, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main(String[] args){       HashSet set1 = new HashSet();       set1.Add("Ryan");       set1.Add("Tom");       set1.Add("Andy");       set1.Add("Tim");       Console.WriteLine("Elements in HashSet1...");       foreach (string res in set1){          Console.WriteLine(res);       }       HashSet set2 = new HashSet();       set2.Add("John");       set2.Add("Jacob");       set2.Add("Ryan");       ... Read More

To remove all elements from the SortedSet, 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("AB");       set1.Add("BC");       set1.Add("CD");       set1.Add("EF");       Console.WriteLine("Elements in SortedSet1...");       foreach (string res in set1){          Console.WriteLine(res);       }       SortedSet set2 = new SortedSet();       set2.Add("BC");       set2.Add("CD");       set2.Add("DE");       set2.Add("EF");       ... Read More

To remove a specified item from SortedSet, 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("AB");       set1.Add("BC");       set1.Add("CD");       set1.Add("EF");       Console.WriteLine("Elements in SortedSet1...");       foreach (string res in set1){          Console.WriteLine(res);       }       SortedSet set2 = new SortedSet();       set2.Add("BC");       set2.Add("CD");       set2.Add("DE");       set2.Add("EF");       ... Read More

To remove a range of elements from the ArrayList, the code is as follows −Exampleusing System; using System.Collections; public class Demo {    public static void Main(String[] args){       ArrayList list1 = new ArrayList();       list1.Add("A");       list1.Add("B");       list1.Add("C");       list1.Add("D");       list1.Add("E");       list1.Add("F");       list1.Add("G");       list1.Add("H");       list1.Add("I");       Console.WriteLine("Elements in ArrayList1...");       foreach (string res in list1){          Console.WriteLine(res);       }       ArrayList list2 ... Read More

To get the third element of the Tuple, the code is as follows −Example Live Demousing System; public class Demo {    public static void Main(String[] args){       var tuple1 = Tuple.Create(75, 200, 500, 700, 100, 1200, 1500);       var tuple2 = Tuple.Create(75, 200, 500, 700, 100, 1200, 1500);       Console.WriteLine("Is Tuple1 equal to Tuple2? = "+tuple1.Equals(tuple2));       Console.WriteLine("HashCode of Tuple1 = "+tuple1.GetHashCode());       Console.WriteLine("HashCode of Tuple2 = "+tuple2.GetHashCode());       Console.WriteLine("Tuple1 Item 1st = "+tuple1.Item1);       Console.WriteLine("Tuple2 Item 1st = "+tuple2.Item1);       Console.WriteLine("Tuple1 Item 2nd ... Read More

To get the sixth element of the Tuple, the code is as follows −Example Live Demousing System; public class Demo {    public static void Main(String[] args){       var tuple1 = Tuple.Create(75, 200, 500, 700, 100, 1200, 1500);       var tuple2 = Tuple.Create(75, 200, 500, 700, 100, 1200, 1500);       Console.WriteLine("Is Tuple1 equal to Tuple2? = "+tuple1.Equals(tuple2));       Console.WriteLine("HashCode of Tuple1 = "+tuple1.GetHashCode());       Console.WriteLine("HashCode of Tuple2 = "+tuple2.GetHashCode());       Console.WriteLine("Tuple1 Item 1st = "+tuple1.Item1);       Console.WriteLine("Tuple2 Item 1st = "+tuple2.Item1);       Console.WriteLine("Tuple1 Item 2nd ... Read More

To remove all elements from ArrayList, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(String[] args){       ArrayList list1 = new ArrayList();       list1.Add("A");       list1.Add("B");       list1.Add("C");       list1.Add("D");       list1.Add("E");       list1.Add("F");       list1.Add("G");       list1.Add("H");       list1.Add("I");       Console.WriteLine("Elements in ArrayList1...");       foreach (string res in list1){          Console.WriteLine(res);       }       ArrayList list2 = new ... Read More