Programming Articles - Page 2241 of 3366

To find the index of first element in the 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 begin 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);       Console.WriteLine("Index ... Read More

To find the last node in LinkedList containing the specified value, the code is as follows −Example Live Demousing System; using System.Collections.Generic; public class Demo {    public static void Main() {       LinkedList list = new LinkedList();       list.AddLast(100);       list.AddLast(200);       list.AddLast(300);       list.AddLast(400);       list.AddLast(500);       list.AddLast(300);       list.AddLast(500);       Console.WriteLine("LinkedList elements...");       foreach(int i in list) {          Console.WriteLine(i);       }       LinkedListNode val = list.FindLast(300);       Console.WriteLine("Specified ... Read More

The SortedSet class in C# represents a collection of objects that is maintained in sorted order.Following are the properties of the SortedSet class −Sr.NoProperty & Description1ComparerGets the IComparer object that is used to order the values in the SortedSet.2CountGets the number of elements in the SortedSet.3MaxGets the maximum value in the SortedSet, as defined by the comparer.4MinGets the minimum value in the SortedSet, as defined by the comparer.Following are some of the methods of the SortedSet class −Sr.NoMethod & Description1Add(T)Adds an element to the set and returns a value that indicates if it was successfully added.2Clear()Removes all elements from the ... Read More

To get the TypeCode for value type Int16, the code is as follows −Example Live Demousing System; public class Demo {    public static void Main() {       short val1 = 0;       short val2 = Int16.MaxValue;       Console.WriteLine("Value1 = "+val1);       Console.WriteLine("Value2 = "+val2);       Console.WriteLine("HashCode for value1 = "+val1.GetHashCode());       Console.WriteLine("HashCode for value2 = "+val2.GetHashCode());       Console.WriteLine("Are they equal? = "+(val1.Equals(val2)));       TypeCode type1 = val1.GetTypeCode();       TypeCode type2 = val2.GetTypeCode();       Console.WriteLine("TypeCode for val1 = "+type1);     ... Read More

Java supports lambda expressions but not the Closures. A lambda expression is an anonymous function and can be defined as a parameter. The Closures are like code fragments or code blocks that can be used without being a method or a class. It means that Closures can access variables not defined in its parameter list and also assign it to a variable.Syntax([comma seperated parameter-list]) -> {body}In the below example, the create() method has a local variable "value" with a short life and disappears when we exit the create() method. This method returns the closure to the caller in the main() method after that ... Read More

To get the members of the current Type, the code is as follows −Example Live Demousing System; using System.Reflection; public class Demo {    public static void Main() {       Type type = typeof(Subject);       try {          FieldInfo fieldInfo = type.GetField("SubName");          MemberInfo[] info = type.GetMembers();          Console.Write("Members = ");          for (int i = 0; i < info.Length; i++)             Console.WriteLine(" {0}", info[i]);          Console.WriteLine("FieldInfo = {0}", fieldInfo);       }       ... Read More

To count the number of key/value pairs in the Hashtable, 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("A", "SUV");       hash.Add("B", "MUV");       hash.Add("C", "AUV");       Console.WriteLine("Hashtable elements...");       foreach(DictionaryEntry d in hash) {          Console.WriteLine(d.Key + " " + d.Value);       }       Console.WriteLine("Count of Key/value pairs = "+hash.Count);       hash.Add("D", "Utility Vehicle");       hash.Add("E", "Convertible"); ... Read More

To insert an object at the top of the 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);       Console.WriteLine("Elements in the Stack:");       foreach(var val in stack) {          Console.WriteLine(val);       }       Console.WriteLine("Count of elements in the Stack = "+stack.Count);       ... Read More

To insert an element into the ArrayList 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("One");       list.Add("Two");       list.Add("Three");       list.Add("Four");       list.Add("Five");       list.Add("Six");       list.Add("Seven");       list.Add("Eight");         Console.WriteLine("ArrayList elements...");       foreach(string str in list) {          Console.WriteLine(str);       }       Console.WriteLine("ArrayList is read-only? ... Read More

To get the TypeCode for value type UInt32, the code is as follows −Example Live Demousing System; public class Demo {    public static void Main() {       uint val1 = 55;       uint val2 = 100;       TypeCode type1 = val1.GetTypeCode();       TypeCode type2 = val2.GetTypeCode();       Console.WriteLine("Typecode for val1 = "+type1);       Console.WriteLine("Typecode for val2 = "+type2);    } }OutputThis will produce the following output −Typecode for val1 = UInt32 Typecode for val2 = UInt32ExampleLet us see another example − Live Demousing System; public class Demo {   ... Read More