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Csharp Articles
Page 85 of 196
How to perform Division of Exponents of Same Base using C#?
Firstly, set the base −double n = 10;Now set the two exponents for division −double e1 = 10; double e2 = 8;Let us see the complete code to get the result of division of exponents of the same base.Exampleusing System; class Demo { static void Main() { double res, n, e1, e2; n = 10; e1 = 10; e2 = 8; res = e1 - e2; Console.WriteLine("Result = {0}^{1} : {2}", n, res, Math.Pow(n, res)); Console.ReadLine(); } }outputResult = 10^2 : 100
Read MorePrint a 2 D Array or Matrix in C#
First, set a two-dimensional array.int[, ] arr = new int[10, 10];Now, get the elements from the user −for (i = 0; i < m; i++) { for (j = 0; j < n; j++) { arr[i, j] = Convert.ToInt16(Console.ReadLine()); } }Let us see the complete example to display the matrix.Exampleusing System; using System.Linq; class Demo { static void Main() { int m, n, i, j; // rows and columns of the matrix+ m = 2; n = 2; ...
Read MoreLarge Fibonacci Numbers in C#
To display large Fibonacci numbers, try the following login and code.Here, we have set the value of n as the series. Set it to get the Fibonacci number. Below, we have set it to 100 to get the first 100 Fibonacci numbers.Since the first two numbers in a Fibonacci series are 0 and 1. Therefore, we will set the first two values.int val1 = 0, val2 = 1;The following is the complete code to display large Fibonacci numbers.Exampleusing System; public class Demo { public static void Main(string[] args) { int val1 = 0, val2 = 1, ...
Read MoreLambda Expressions in C#
A lambda expression in C# describes a pattern.Lambda Expressions has the token => in an expression context. This is read as “goes to” operator and used when a lambda expression is declared.Here, we are finding the first occurrence of the element greater than 50 from a list.list.FindIndex(x => x > 50);Above the token => is used. The same is shown below −Exampleusing System; using System.Collections.Generic; class Demo { static void Main() { List list = new List { 44, 6, 34, 23, 78 }; int res = list.FindIndex(x => x > 50); Console.WriteLine("Index: "+res); } }OutputIndex: 4
Read MoreHow to print the first ten Fibonacci numbers using C#?
For displaying the first ten numbers, firstly set the first two numbers.int val1 = 0, val2 = 1;Now, use a for loop from 2 to 10, to display first ten Fibonacci numbers −for(i=2;i
Read MoreHow to print one dimensional array in reverse order?
Firstly, declare and initialize one dimensional array.int[] arr = { 35, 12, 66, 90, 34, 2, 64 };Now, use the following to reverse −Array.Reverse(arr);The following is the complete code to reverse a one-dimensional array;Exampleusing System; class Demo { static void Main() { int[] arr = { 76, 12, 66, 90, 34, 2, 64 }; // Initial Array Console.WriteLine("Original Array= "); foreach (int i in arr) { Console.WriteLine(i); } // Reverse Array Array.Reverse(arr); Console.WriteLine("Reversed Array= "); foreach (int j in arr) { Console.WriteLine(j); } Console.ReadLine(); } }OutputOriginal Array= 76 12 66 90 34 2 64 Reversed Array= 64 2 34 90 66 12 76
Read MoreHow to remove an empty string from a list of empty strings in C#?
Firstly, set a list with empty string as elements.List myList = new List() { " ", " ", " " };Now let us remove one empty element using index.myList.RemoveAt(0);Exampleusing System; using System.Collections.Generic; using System.Linq; class Program { static void Main() { List myList = new List() { " ", " ", " " }; Console.Write("Initial list with empty strings..."); foreach (string list in myList) { Console.WriteLine(list); ...
Read MoreHow to find a number using Pythagoras Theorem using C#?
Firstly, set the first two numbers −double val1, val2; val1 = 10; val2 = 5;Now use the Math.Sqrt function to use Pythagoras Theorem.res = Math.Sqrt(val1 * val1 + val2 * val2);Exampleusing System; public class Program { public static void Main(string[] args) { double val1, val2, res; val1 = 10; val2 = 5; res = Math.Sqrt(val1 * val1 + val2 * val2); Console.WriteLine("Result = {0}", res); Console.ReadLine(); } }OutputResult = 11.1803398874989
Read MoreHow to find a number in a string in C#?
To find a number in a string, use Regular Expressions.We have set the Regex pattern to get number from a string.Regex r = new Regex(@"\d+");Now, use Match class in C# to set the string.Match m = r.Match("Welcome! We are open 365 days in a year!");Use the Success property now to display the result if number is found in the string as shown in the following complete code −Exampleusing System; using System.Text.RegularExpressions; class Demo { static void Main() { Regex r = new Regex(@"\d+"); Match m = r.Match("Welcome! We are open 365 ...
Read MoreHow to find date difference in C#?
To find the difference between two dates in C#, you need to first set two dates to be compared using the DateTime object. We will use the DateTime class in C#.Date 1DateTime date1 = new DateTime(2018, 09, 15); Console.WriteLine("Date 1 : {0}", date1);Date 2DateTime date2 = new DateTime(2018, 09, 28); Console.WriteLine("Date 2 : {0}", date2);Now let us compare both the dates in C#. The following is an example to compare dates in C#.Exampleusing System; namespace Program { class Demo { static int Main() { DateTime date1 = new DateTime(2018, 09, 15); ...
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