C#でセレクションソートをする方法

public class SelectionSort
{
    public static void Main(string[] args)
    {
        int[] array = { 64, 25, 12, 22, 11 };
        Console.WriteLine("Array before sorting:");
        PrintArray(array);
        SelectionSortAlgorithm(array);
        Console.WriteLine("Array after sorting:");
        PrintArray(array);
    }

    public static void SelectionSortAlgorithm(int[] arr)
    {
        int n = arr.Length;

        for (int i = 0; i < n - 1; i++)
        {
            int minIndex = i;

            for (int j = i + 1; j < n; j++)
            {
                if (arr[j] < arr[minIndex])
                {
                    minIndex = j;
                }
            }

            // Swap the found minimum element with the first element
            int temp = arr[minIndex];
            arr[minIndex] = arr[i];
            arr[i] = temp;
        }
    }

    public static void PrintArray(int[] arr)
    {
        int n = arr.Length;
        for (int i = 0; i < n; ++i)
        {
            Console.Write(arr[i] + " ");
        }
        Console.WriteLine();
    }
}