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Csharp Articles
Page 104 of 196
Tuple.Create method in C#
To create a tuple, use the Tuple.Create method.Here we have set a tuple with a string and int −var myTuple = Tuple.Create("marks", 100);The following is an example that creates a tuple using Tuple.Create and displays the elements in a single line in C# −Exampleusing System; class Demo { static void Main() { var myTuple = Tuple.Create("marks", 100); Console.WriteLine(myTuple); } }Output(marks, 100)
Read MoreSet 6-item tuple in C#'
With C#, you can easily set a 6-item tuple.The following is a 6-item tuple −var myTuple = new Tuple("electronics", new string[] { "shoes", "clothing#", "accessories" }, 100, 250, 500, 1000);above, we have tuple for string, string array and int as shown below −TupleHere is the complete code −Exampleusing System; class Demo { static void Main() { var myTuple = new Tuple("electronics", new string[] { "shoes", "clothing#", "accessories" }, 100, 250, 500, 1000); // Displaying Item 1 Console.WriteLine(myTuple.Item1); // Displaying Item 5 Console.WriteLine(myTuple.Item5); // Displaying Item 6 Console.WriteLine(myTuple.Item6); } }Outputelectronics 500 1000
Read MoreC# Program to check if a character is a whitespace character
Set a character with WhiteSpace −char c = ' ';To check if a character is a whitespace character, use the char.IsWhiteSpace method −if (char.IsWhiteSpace(c)) {}Let us see the complete code −Exampleusing System; class Demo { static void Main() { char c = ' '; if (char.IsWhiteSpace(c)) { Console.WriteLine("Whitespace character!"); } } }OutputWhitespace character!
Read MoreC# Program to find the largest element from an array
Declare an array −int[] arr = { 20, 50, -35, 25, 60 };Now to get the largest element from an array, use the Max() method −arr.Max());Here is the complete code −Exampleusing System; using System.Linq; class Demo { static void Main() { int[] arr = { 20, 50, -35, 25, 60 }; Console.WriteLine(arr.Max()); } }Output60
Read MoreC# program to check whether two sequences are the same or not
The SequenceEqual method is used to test collections for equality.Set sequences −string[] arr1 = { "This", "is", "it" }; string[] arr2 = { "My", "work", "report" }; string[] arr3 = { "This", "is", "it" };Now, use the SequenceEquals methods to check whether sequences are same or not −arr1.SequenceEqual(arr2);The following is an example −Exampleusing System; using System.Linq; class Program { static void Main() { string[] arr1 = { "This", "is", "it" }; string[] arr2 = { "My", "work", "report" }; string[] arr3 = { "This", "is", "it" }; bool res1 = arr1.SequenceEqual(arr2); Console.WriteLine(res1); bool res2 = arr1.SequenceEqual(arr3); Console.WriteLine(res2); } }OutputFalse True
Read MoreGroup by Operator in C#
Use the group by the operator in C# to separate the results of an expression into parts.Let’s say the following is our array −int[] a = { 5, 10, 15, 20, 25, 30 };Now, using Group by and orderby, we will find the elements greater than 20 −var check = from element in a orderby element group element by chkGreater(element);The following is the complete code −Exampleusing System; using System.Linq; class Demo { static void Main() { int[] a = { 5, 10, 15, 20, 25, 30 }; var check = from element in ...
Read MoreRound a number to the nearest even number in C#
The ToEven property is used with the MidpointRounding Enumeration to round a number to the nearest even number.Declare and initialize a decimal number −decimal val = 25.55M;To round a number to the nearest even number −decimal.Round(val, 0, MidpointRounding.ToEven)Here is the complete code −Exampleusing System; using System.Linq; class Demo { static void Main() { decimal val = 25.55M; Console.WriteLine(decimal.Round(val, 0, MidpointRounding.ToEven)); } }Output26
Read MoreDecimal constants in C#
Decimal type has constants to get the minimum and maximum values.Set a decimal value −decimal d = 5.8M;To get the minimum and maximum values of the decimal type, use the following properties −decimal.MaxValue decimal.MinValueHere is the complete code −Exampleusing System; using System.Linq; class Demo { static void Main() { decimal d = 5.8M; Console.WriteLine(d); Console.WriteLine("Maximum Value: "+decimal.MaxValue); Console.WriteLine("Maximum Value: "+decimal.MinValue); } }Output5.8 Maximum Value: 79228162514264337593543950335 Maximum Value: -79228162514264337593543950335
Read MoreManipulate decimals with numeric operators in C#
With C#, you can manipulate decimals with operators such as _+, - *, etc.Let us see how to subtract decimal values.Firstly, set two decimal values −decimal d1 = 9.5M; decimal d2 = 4.2M;Now to subtract the two values −d1 = d1 - d2;The following is the code −Exampleusing System; using System.Linq; class Demo { static void Main() { decimal d1 = 9.5M; decimal d2 = 4.2M; d1 = d1 + d2; Console.WriteLine("Addition of Decimals: "+d1); d1 = d1 - d2; Console.WriteLine("Subtraction of Decimals: "+d1); } }OutputAddition of Decimals: 13.7 Subtraction of Decimals: 9.5
Read MoreC# Program to display temporary file names
The GetTempPath() method in C# displays temporary file names −Path.GetTempPath();Get the names in a variable and display −string tempFile = Path.GetTempPath();The following is the code −Exampleusing System; using System.IO; class Demo { static void Main() { string tempFile = Path.GetTempPath(); Console.WriteLine(tempFile); } }Output/tmp/
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