Dynamic generic lists

The List<T> class from System.Collections.Generic represents a strongly-typed list of objects. Unlike arrays, a list grows dynamically as elements are added.

using System;
using System.Collections.Generic;

class Program {
    static void Main() {
        List<string> stars = new List<string>();
        stars.Add("Sirius");
        stars.Add("Vega");
        Console.WriteLine(stars.Count); // 2
        stars.Remove("Vega");
    }
}

How it reads

• List<string> defines a list containing strings
• stars.Add(...) appends a string to the end of the list
• stars.Count returns the current number of elements

Cloud tip: The <T> syntax is a generic. You specify the type of elements inside the angle brackets, ensuring type safety.