To check if Hashtable is synchronized, 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("One", "Katie");       hash.Add("Two", "John");       hash.Add("Three", "Barry");       hash.Add("Four", "");       hash.Add("Five", "Harry");       hash.Add("Six", "F");       hash.Add("Seven", "Tom");       hash.Add("Eight", "Andy");       hash.Add("Nine", "I");       hash.Add("Ten", "Tim");       Console.WriteLine("Hashtable Key and Value pairs...");       foreach(DictionaryEntry entry in hash) { ... Read More

To remove the specified element from the list, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main(String[] args) {       List list1 = new List();       list1.Add("One");       list1.Add("Two");       list1.Add("Three");       list1.Add("Four");       list1.Add("Five");       Console.WriteLine("Elements in List1...");       foreach (string res in list1) {          Console.WriteLine(res);       }       List list2 = new List();       list2.Add("India");       list2.Add("US");       ... Read More

To remove the first occurrence of a specific object 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);       } ... Read More

To check if a SortedList is read-only, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(String[] args) {       SortedList list = new SortedList();       list.Add("One", "IT");       list.Add("Two ", "Operations");       list.Add("Three", "Marketing");       list.Add("Four", "Purchase");       list.Add("Five", "Sales");       list.Add("Six", "Finance");       Console.WriteLine("SortedList elements...");       foreach(DictionaryEntry d in list) {          Console.WriteLine(d.Key + " " + d.Value);       }       Console.WriteLine("List of values...SortedList"); ... Read More

To get the keys in a SortedList object, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(String[] args) {       SortedList list = new SortedList();       list.Add("One", "Finance");       list.Add("Two", "Marketing");       list.Add("Three", "Sales");       list.Add("Four", "Purchase");       list.Add("Five", "Operations");       list.Add("Six", "IT");       Console.WriteLine("SortedList elements...");       foreach(DictionaryEntry d in list) {          Console.WriteLine(d.Key + " " + d.Value);       }       Console.WriteLine("Index at key ... Read More

To add key and value into StringDictionary, the code is as follows −Example Live Demousing System; using System.Collections; using System.Collections.Specialized; public class Demo {    public static void Main() {       StringDictionary strDict = new StringDictionary();       strDict.Add("A", "John");       strDict.Add("B", "Andy");       strDict.Add("C", "Tim");       strDict.Add("D", "Ryan");       strDict.Add("E", "Kevin");       strDict.Add("F", "Katie");       strDict.Add("G", "Brad");       Console.WriteLine("StringDictionary elements...");       foreach(DictionaryEntry de in strDict) {          Console.WriteLine(de.Key + " " + de.Value);       }   ... Read More

Let us see how to implement Bitwise exclusive OR operation between elements of BitArray −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(){       BitArray arr1 = new BitArray(5);       BitArray arr2 = new BitArray(5);       arr1[0] = false;       arr1[1] = false;       arr2[0] = false;       arr2[1] = true;       Console.WriteLine("BitArray1 elements...");       foreach (bool res in arr1){          Console.WriteLine(res);       }       Console.WriteLine("BitArray2 elements...");       foreach (bool ... Read More

To add an object to the end of the ArrayList, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(String[] args){       ArrayList list = new ArrayList();       list.Add("Tim");       list.Add("Katie");       list.Add("Amy");       list.Add("Carlos");       list.Add("Chris");       list.Add("Jason");       Console.WriteLine("Elements in ArrayList...");       foreach (string res in list){          Console.WriteLine(res);       }    } }OutputThis will produce the following output −Elements in ArrayList... Tim Katie Amy Carlos ... Read More

To create a 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");       set2.Add("AB");     ... Read More

To check the current state of a thread, the code is as follows −Example Live Demousing System; using System.Threading; public class Demo {    public static void Main(){       Thread thread = new Thread(new ThreadStart(demo1));       ThreadPool.QueueUserWorkItem(new WaitCallback(demo2));       Console.WriteLine("Current state of Thread = "+thread.ThreadState);       Console.WriteLine("ManagedThreadId = "+thread.ManagedThreadId);    }    public static void demo1(){       Thread.Sleep(2000);    }    public static void demo2(object stateInfo){       Console.WriteLine("Thread belongs to managed thread pool? = "+Thread.CurrentThread.IsThreadPoolThread);    } }OutputThis will produce the following output −Current state of Thread = Unstarted ... Read More