To check if a string is palindrome or not, you need to first find the reverse of the string using −Array.reverse()After that use the equals() method to match the original string with the reversed. If the result is true, that would mean the string is Palindrome.ExampleLet us try the complete example. Here, our string is “Malayalam”, which is when reversed gives the same result.Live Demousing System; namespace palindromecheck {    class Program {       static void Main(string[] args) {          string string1, rev;          string1 = "Malayalam";          char[] ... Read More

To check if a string contains any special character, you need to use the following method −Char.IsLetterOrDigitUse it inside for loop and check or the string that has special characters.Let us say our string is −string str = "Amit$#%";Now convert the string into character array −str.ToCharArray();With that, use a for loop and to check for each character using the isLetterOrDigit() method.ExampleLet us see the complete code.Live Demousing System; namespace Demo {    class myApplication {       static void Main(string[] args) {          string str = "Amit$#%";          char[] one = str.ToCharArray();   ... Read More

To calculate whether a number is prime or not, we have used a for loop. Within that on every iteration, we use an if statement to find that the remainder is equal to 0, between the number itself.for (int i = 1; i

Use the StartWith() method in C# to check for URL in a String.Let us say our input string is −string input = "https://example.com/new.html";Now we need to check for www or non-www link. For this, use the if statement in C# −if (input.StartsWith("https://www.example.com") || input.StartsWith("https://example.com")) { }ExampleYou can try to run the following code to check for URL in a string.Live Demousing System; class Demo {    static void Main() {       string input = "https://example.com/new.html";       // See if input matches one of these starts.       if (input.StartsWith("https://www.example.com") || input.StartsWith("https://example.com")) {       ... Read More

In C#, you can use the comma to declare more than one local variable in a statement. The following displays the same −int a = 20, b = 70, c = 40, d = 90;ExampleLet us see an example in which we are declaring multiple local variables. Below four variable is declared and initialized in the same statement.Live Demousing System; class Demo {    static void Main() {       int a = 20, b = 70, c = 40, d = 90;       Console.WriteLine("{0} {1} {2} {3}", a, b, c, d);    } }Output20 70 40 90

C# is a modern, general-purpose, object-oriented programming language developed by Microsoft and approved by European Computer Manufacturers Association (ECMA) and International Standards Organization (ISO).C# is designed for Common Language Infrastructure (CLI), which consists of the executable code and runtime environment that allows the use of various high-level languages on different computer platforms and architectures.Advantages of C#Object-Oriented LanguageAutomatic Garbage CollectionCross PlatformBackward CompatibilityBetter Integrity and InteroperabilityApplications of C#Games using UnityWeb Applications Client-Server ApplicationsWindows Applications Applications that run on desktopsWeb Services ApplicationsConsole ApplicationsClass Libraries

C# Generics and C++ Templates provide support for parameterized types. The following are the differences −FlexibilityC++ Templates are more flexible than C# GenericsExplicit specializationExplicit specialization is not supported by C#Type ParameterThe type parameter cannot be used as the base class for the generic type in C#C# does not allow type parameters to have default types.Run-TimeThe C++ template has a compile-time modal, whereas C# Generics is both compile and run-time. Generics have run-time support.Non-type template parametersC#Templates will not allow non-type template parameters.Partial SpecializationC# does not even support partial specialization.

To calculate factorial in C#, you can use while loop and loop through until the number is not equal to 1.Here n is the value for which you want the factorial −int res = 1; while (n != 1) {    res = res * n;    n = n - 1; }Above, let’s say we want 5! (5 factorial)For that, n=5, Loop Iteration 1 −n=5 res = res*n i.e res =5;Loop Iteration 2 −n=4 res = res*n i.e. res = 5*4 = 20Loop Iteration 3 −n=3 res = res*n i.e. res = 20*3 = 60ExampleIn this way, all the ... Read More

Multilevel Inheritance occurs when a derived class is formed from another derived class.Grandfather, father, and son are the perfect example to represent Multilevel Inheritance in C# −ExampleThe following is an example stating the usage of multilevel inheritance in C#.Live Demousing System; using System.Collections.Generic; using System.Linq; using System.Text; namespace Demo {    class Son : Father {       public void DisplayTwo() {          Console.WriteLine("Son.. ");       }       static void Main(string[] args) {          Son s = new Son();          s.Display();          s.DisplayOne(); ... Read More

The following is an example of Single Inheritance in C#. In the example, the base class is Father and declared like the following code snippet −class Father {    public void Display() {       Console.WriteLine("Display");    } }Our derived class is Son and is declared below −class Son : Father {    public void DisplayOne() {       Console.WriteLine("DisplayOne");    } }ExampleThe following is the complete example to implement Single Inheritance in C#.Live Demousing System; using System.Collections.Generic; using System.Linq; using System.Text; namespace MyAplication {    class Demo {       static void Main(string[] args) {   ... Read More