check array length in c sharp linq code example

Example 1: c# length of array

// declares a 1D Array of string. 
string[] weekDays; 
// allocating memory for days. 
weekDays = new string[] {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"};
// Display length of array.
Console.Write(weekDays.Length);

Example 2: c# count element in an array

string[] empty = new string[5];
var totalElements = empty.Count(); //5

string[] animals = { "Cat", "Alligator", "fox", "donkey", "Cat", "alligator" };
totalElements = animals.Count(); //6

int[] nums = { 1, 2, 3, 4, 3, 55, 23, 2, 5, 6, 2, 2 };
totalElements = nums.Count(); //12