c# 2d list code example

Example 1: c# empty list

myList.Clear();

Example 2: 2d list c#

List<List<int>> matrix = new List<List<int>>();
List<int> list1 = new List<int>();
list1.Add("4");
list1.Add("5");
matrix.Add(list1);
List<int> list2 = new List<int>();
list2.Add("6");
list2.Add("7");
matrix.Add(list2);

//matrix is now
// 4 5
// 6 7

Example 3: c# sort list

using System;

class Program
{
    static void Main()
    {
        string[] colors = new string[]
        {
            "orange",
            "blue",
            "yellow",
            "aqua",
            "red"
        };
        // Call Array.Sort method.
        Array.Sort(colors);
        foreach (string color in colors)
        {
            Console.WriteLine(color);
        }
    }
}