CSHARP

c# declare empty string array

string[] stringArray = new string[] {};

c# initialize empty array

datatype[] arr = new datatype[]{};
or
datatype[] arr = new datatype[0];
or
datatype[] array = {}
or
var a = Array.Empty<datatype>();

c# empty array

object[] emptyArray = new object[0]; 

c# empty array

var listOfStrings = new List<string>();

// do stuff...

string[] arrayOfStrings = listOfStrings.ToArray();

how to empty an array c#

Array.Clear(arr, 0, arr.Length);

empty int array c#

Array.Empty <int> ();