c# How to add an element to an array code example

Example 1: c# add to array

var Freds = new [] { "Fred", "Freddy" };
Freds = Freds.Concat(new [] { "Frederick" }).ToArray();

Example 2: c# add to array

// To add a value to a C# array, use 'Add()'
List<string> ls = new List<string>();
ls.Add("Hello");