use list in c# code example

Example 1: create List c#

using System.Collections.Generic
//type is your data type (Ej. int, string, double, bool...)
List<type> newList = new List<type>();

Example 2: syntax list C#

List<int> primeNumbers = new List<int>();
primeNumbers.Add(1); // adding elements using add() method
primeNumbers.Add(3);
primeNumbers.Add(5);
primeNumbers.Add(7);

var cities = new List<string>();
cities.Add("New York");
cities.Add("London");
cities.Add("Mumbai");
cities.Add("Chicago");
cities.Add(null);// nulls are allowed for reference type list

//adding elements using collection-initializer syntax
var bigCities = new List<string>()
                    {
                        "New York",
                        "London",
                        "Mumbai",
                        "Chicago"                    
                    };