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Found 2628 Articles for Csharp
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
78 Views
To get the total number of elements in a specified dimension of an array, the code is as follows −Example Live Demousing System; public class Demo { public static void Main() { string[] products = new string[] { "Andy", "Mark", "Gary", "Andre"}; Console.WriteLine("One or more name begins with 'A'? = {0}", Array.Exists(products, ele => ele.StartsWith("A"))); Console.WriteLine("Is the array having fixed size? = " + products.IsFixedSize); Console.WriteLine("Is the array read only? = " + products.IsReadOnly); Console.WriteLine("Is the array synchronized? = " + products.IsSynchronized); ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
77 Views
To set the capacity to the actual number of elements 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 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..."); ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
89 Views
To set the capacity to the actual number of elements in the 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); ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
146 Views
To search for an element matching the conditions and return the zero-based index of the last occurrence within the entire List, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo { private static bool demo(int i) { return ((i % 10) == 0); } public static void Main(String[] args) { List list = new List(); list.Add(200); list.Add(215); list.Add(310); list.Add(500); list.Add(600); Console.WriteLine("List elements..."); foreach (int i in ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
101 Views
To search the index of specified object in Collection, the code is as follows −Example Live Demousing System; using System.Collections.Specialized; public class Demo { public static void Main() { StringCollection strCol = new StringCollection(); strCol.Add("Accessories"); strCol.Add("Books"); strCol.Add("Electronics"); strCol.Add("Books"); Console.WriteLine("StringCollection elements..."); foreach (string res in strCol) { Console.WriteLine(res); } strCol.Insert(2, "Headphone"); Console.WriteLine("StringCollection elements...UPDATED"); foreach (string res in strCol) { Console.WriteLine(res); ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
57 Views
To get the number of elements contained in 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); 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..."); ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
432 Views
To check whether a thread is alive or not, 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)); thread = Thread.CurrentThread; Console.WriteLine("Is the thread alive? = "+thread.IsAlive); ThreadPool.QueueUserWorkItem(new WaitCallback(demo2)); Console.WriteLine("Current state of Thread = "+thread.ThreadState); Console.WriteLine("ManagedThreadId = "+thread.ManagedThreadId); thread.IsBackground = true; Console.WriteLine("Is the Thread a background thread? = "+thread.IsBackground); } public static void demo1() { ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
111 Views
To search in a SortedList object, the code is as follows −Example Live Demousing System; using System.Collections; public class Demo { public static void Main() { SortedList list = new SortedList(); list.Add("1", "One"); list.Add("2", "Two"); list.Add("3", "Three"); list.Add("4", "Four"); list.Add("5", "Five"); list.Add("6", "Six"); list.Add("7", "Seven"); list.Add("8", "Eight"); Console.WriteLine("Key and Value of SortedList...."); foreach(DictionaryEntry k in list ) Console.WriteLine("Key: {0}, Value: {1}", k.Key , k.Value ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
167 Views
To check whether a thread is a background thread or not, 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); Console.WriteLine("Is the Thread a background thread? = "+Thread.CurrentThread.IsBackground); } public static void demo1() { Thread.Sleep(2000); } public static void demo2(object stateInfo) { Console.WriteLine("Thread belongs to managed thread ... Read More
![AmitDiwan](https://www.tutorialspoint.com/assets/profiles/123055/profile/60_187394-1565938756.jpg)
163 Views
To get the number of elements in HashSet in C#, 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); } Console.WriteLine("Number of elements in HashSet1 = "+set1.Count); HashSet set2 ... Read More