Sort a list of integers descending C#

These search terms have been highlighted: list sort decending

The Sort method of the List class sorts everything the default way : ascending.
You can use the Reverse method of this class to get what you want or you could implement the IComparer interface like in this snippet.


using System;
using System.Collections.Generic;
namespace ConsoleApplication1
{
class Program
{
private class SortIntDescending : IComparer
{
int IComparer.Compare(int a, int b) //implement Compare
{ if (a > b) return -1; //normally greater than = 1
if (a < b) return 1; // normally smaller than = -1
else return 0; // equal
} }
static List intlist = new List(); // make a list
static void Main(string[] args)
{
intlist.Add(5); //fill the list with 5 ints
intlist.Add(3);
intlist.Add(5);
intlist.Add(15);
intlist.Add(7);
Console.WriteLine("Unsorted list :");
Printlist(intlist); Console.WriteLine();
// intlist.Sort(); uses the default Comparer, which is ascending
intlist.Sort(new SortIntDescending()); //sort descending
Console.WriteLine("Sorted descending list :");
Printlist(intlist);
Console.ReadKey(); //wait for keydown
}
static void Printlist(List L)
{
foreach (int i in L) //print on the console
{
Console.WriteLine(i);
} } }}

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