Found 35163 Articles for Programming

Declare a string array.string [] students = {"Jenifer", "Angelina", "Vera"};Add it to a LinkedList.string [] students = {"Jenifer", "Angelina", "Vera"};Now, use AddLast() method to add a node at the end.list.AddLast("Anne");Example Live Demousing System; using System.Collections.Generic; class Demo {    static void Main() {       string [] students = {"Jenifer", "Angelina", "Vera"};       LinkedList list = new LinkedList(students);       foreach (var stu in list) {          Console.WriteLine(stu);       }       // add a node at the end       Console.WriteLine("Node added at the last...");       list.AddLast("Anne"); ... Read More

To check whether two sequences are equal or not, use the SequenceEqual() method.Firstly, set the sequences.Employee emp1 = new Employee { EmployeeRank = 4, EmpName = "Amit", EmpMarks = 90 }; Employee emp2 = new Employee { EmployeeRank = 5, EmpName = "Raman", EmpMarks = 95 }; List employee1 = new List { emp1, emp2 }; List employee2 = new List { emp1, emp2 };Now, find whether the sequences are equal or not.employee1.AsQueryable().SequenceEqual(employee2);Here is the example that shows the result.Exmaple Live Demousing System; using System.Linq; using System.Collections.Generic; public class Demo {    public static void Main() {       Employee ... Read More

Use SelectMany method to collapse elements into a single collection like an error.An example would be to convert string to character array. The following is our string array.string[] str = { "Mobile", "Laptop", "Tablet" };Now, convert to character array.str.SelectMany(item => item.ToCharArray());Example Live Demousing System; using System.Linq; using System.Collections.Generic; public class Demo {    public static void Main() {       string[] str = { "Mobile", "Laptop", "Tablet" };       var res = str.SelectMany(item => item.ToCharArray());       Console.WriteLine("String converted to character array: ");       foreach (char letter in res) {          Console.Write(letter);       }    } }OutputString converted to character array: MobileLaptopTablet

Use the Select method to modify the elements in an array.The following is our string array.string[] stationery = { "diary", "board", "pencil", "whiteboard" };The Select method also specifies Lambda Expressions as shown below −Example Live Demousing System; using System.Linq; using System.Collections.Generic; public class Demo {    public static void Main() {       string[] stationery = { "diary", "board", "pencil", "whiteboard" };       var res = stationery.AsQueryable().Select((item, index) => new { result = item.Substring(0, index + 4) });       foreach (var str in res) {          Console.WriteLine("{0}", str);       }    } }Output{ result = diar } { result = board } { result = pencil } { result = whitebo }

Use Select method and Lambda Expression to calculate the cube of elements.The following is our list.List list = new List { 2, 4, 5, 7 };Now, use the Select() method and calculate the cube.list.AsQueryable().Select(c => c * c * c);The following is the entire example.Example Live Demousing System; using System.Linq; using System.Collections.Generic; public class Demo {    public static void Main() {       List list = new List { 2, 4, 5, 7 };       Console.WriteLine("Elements...");       // initial list javascript:void(0)       foreach (int n in list)       Console.WriteLine(n);     ... Read More

The WindowsTop property is used to gets or set the top position of the console window area relative to the screen buffer.Declare an integer variable to get the top position.int top;Now, use the Console.WindowTop property.top = Console.WindowTop;Let us see the complete example.Example Live Demousing System; class Demo {    static void Main() {       int top;       top = Console.WindowTop;       Console.WriteLine("Top position of the Console window = "+top);    } }OutputTop position of the Console window = 0

Use the BufferWidth gets or sets the width of the buffer area.Use the property like this −Console.BufferWidthLet us see the complete example.Example Live Demousing System; class Demo {    static void Main() {       Console.WriteLine("Buffer width (columns) = "+Console.BufferWidth);    } }OutputBuffer width (columns) = 0

Reverse the elements in an array, using the Reverse method.Here is our character array.char[] ch = { 't', 'i', 'm', 'e' };Now use the Reverse() method with AsQueryable() method to get the reverse.ch.AsQueryable().Reverse();Let us see the complete code.Example Live Demousing System; using System.Linq; using System.Collections.Generic; public class Demo {    public static void Main() {       char[] ch = { 't', 'i', 'm', 'e' };       Console.Write("String = ");       foreach(char arr in ch) {          Console.Write(arr);       }       IQueryable res = ch.AsQueryable().Reverse();       Console.Write("Reversed String = ");       foreach (char c in res) {          Console.Write(c);       }    } }OutputString = time Reversed String = emit

The Full Date Long Time standard format specifier’s custom date and time format string is defined by the current DateTimeFormatInfo.FullDateTimePattern property.The custom format string is −dddd, dd MMMM yyyy HH:mm:ssExample Live Demousing System; using System.Globalization; class Demo {    static void Main() {       DateTime myDate = new DateTime(2018, 8, 13, 9, 15, 0);       Console.WriteLine(myDate.ToString("F", CultureInfo.CreateSpecificCulture("en-US")));    } }OutputMonday, August 13, 2018 9:15:00 AM

UShort represents a 16-bit unsigned integer.To implicitly convert of a 16-bit unsigned integer to a decimal, firstly set a ushort value.ushort val = 193;To convert ushort to decimal, assign the value.decimal dec; dec = val;Let us see an example.Exampleusing System; public class Demo {    public static void Main() {       ushort val = 2567;       decimal dec;       Console.WriteLine("Implicit conversion from 16-bit unsigned integer to Decimal");       dec = val;       Console.WriteLine("Decimal = "+dec);    } }