To copy the Hashtable elements to an Array Instance, 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", "AB");       hash.Add("2", "CD");       hash.Add("3", "EF");       hash.Add("4", "GH");       hash.Add("5", "IJ");       Console.WriteLine("Hashtable Key and Value pairs...");       foreach(DictionaryEntry entry in hash){          Console.WriteLine("{0} and {1} ", entry.Key, entry.Value);       }       Console.WriteLine("Copied to Array Instance...");       DictionaryEntry[] ... Read More

To get a subset in 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");       ... Read More

To create a Stack, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main(){       Stack stack = new Stack();       stack.Push(100);       stack.Push(150);       stack.Push(175);       stack.Push(200);       stack.Push(225);       stack.Push(250);       stack.Push(300);       stack.Push(400);       stack.Push(450);       stack.Push(500);       Console.WriteLine("Elements in the Stack:");       foreach(var val in stack){          Console.WriteLine(val);       }       Console.WriteLine("Count of elements ... Read More

To copy the entire ArrayList to a 1-D array starting at the specified index, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(){       ArrayList list = new ArrayList();       list.Add("PQ");       list.Add("RS");       list.Add("TU");       list.Add("UV");       list.Add("WX");       list.Add("YZ");       Console.WriteLine("ArrayList elements...");       for (int i = 0; i < list.Count; i++) {          Console.WriteLine(list[i]);       }       String[] strArr = new String[6] ... Read More

To copy the elements of ArrayList to a new array, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(){       ArrayList list = new ArrayList(10);       list.Add("A");       list.Add("B");       list.Add("C");       list.Add("D");       list.Add("E");       list.Add("F");       list.Add("G");       list.Add("H");       list.Add("I");       list.Add("J");       Console.WriteLine("ArrayList elements...");       foreach(string str in list){          Console.WriteLine(str);       }     ... Read More

To create a SortedList, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(String[] args){       SortedList sortedList = new SortedList();       sortedList.Add("A", "1");       sortedList.Add("B", "2");       sortedList.Add("C", "3");       sortedList.Add("D", "4");       sortedList.Add("E", "5");       sortedList.Add("F", "6");       sortedList.Add("G", "7");       sortedList.Add("H", "8");       sortedList.Add("I", "9");       sortedList.Add("J", "10");       Console.WriteLine("SortedList elements...");       foreach(DictionaryEntry d in sortedList){          Console.WriteLine("Key = ... Read More

To create a shallow copy of the BitArray, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(){       BitArray arr1 = new BitArray(5);       arr1[0] = false;       arr1[1] = true;       Console.WriteLine("BitArray length = "+arr1.Length);       Console.WriteLine("BitArray first element = "+arr1.Get(0));       Console.WriteLine("BitArray second element = "+arr1.Get(1));       BitArray arr2 = (BitArray)arr1.Clone();       Console.WriteLine("BitArray2 length = "+arr2.Length);       Console.WriteLine("BitArray2 first element = "+arr2.Get(0));       Console.WriteLine("BitArray2 second element = "+arr2.Get(1)); ... Read More

To copy the entire ArrayList to a one-dimensional array, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo {    public static void Main(){       ArrayList list = new ArrayList();       list.Add("AB");       list.Add("BC");       list.Add("CD");       list.Add("EF");       list.Add("GH");       list.Add("IJ");       list.Add("KL");       list.Add("MN");       String[] strArr = new String[10];       Console.WriteLine("ArrayList...");       foreach(Object obj in list)       Console.WriteLine("{0}", obj);       list.CopyTo(strArr);       Console.WriteLine("String ... Read More

To copy a String into another String, the code is as follows −Example Live Demousing System; public class Demo {    static public void Main(){       string str1 = "Kevin";       string str2 = String.Copy(str1);       Console.WriteLine("String1 = "+str1);       Console.WriteLine("String2 = "+str2);    } }OutputThis will produce the following output −String1 = Kevin String2 = KevinExampleLet us now see another example − Live Demousing System; public class Demo {    static public void Main(){       string str1 = "Maisie";       string str2 = "Ryan";       Console.WriteLine("String1 (Before ... Read More

To check whether a List contains a specified element, 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");       list2.Add("UK"); ... Read More