Selection Sort, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)  
       {  
           Console.WriteLine("Selection Sort");  
           int[] arr = { 2, 6, 1, 4, 3, 8 };  
           print(arr, "Unsorted Array");  
           int[] sorted = selectionSort(arr, arr.Length);  
           print(sorted, "sorted Array");  
       }  
       static int[] selectionSort(int[] arr, int n)  
       {  
  
           int temp = 0;  
           for (int i = 0; i < n; i++)  
           {  
               for (int j = i + 1; j < n; j++)  
               {  
                   if (arr[i] > arr[j])  
                   {  
                       temp = arr[j];  
                       arr[j] = arr[i];  
                       arr[i] = temp;  
                   }  
               }  
           }  
           return arr;  
       }  
      static void print(int[] array,string val)  
       {  
           Console.WriteLine(val);  
           for (int i = 0; i < array.Length; i++)  
           {  
               Console.WriteLine(array[i]);  
           }  
       }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,14 sec, absolute running time: 0,09 sec, cpu time: 0,08 sec, average memory usage: 13 Mb, average nr of threads: 2