Reverse an array : Array Reverse « Data Structure « C# / CSharp Tutorial

using System; 
 
class MainClass {  
  public static void Main() {  
    int i,j; 
    int[] nums1 = new int[10]; 
    int[] nums2 = new int[10]; 
 
    for(i=0; i < nums1.Length; i++) 
       nums1[i] = i*i; 
 
    Console.Write("Original contents: "); 
    for(i=0; i < nums2.Length; i++) 
      Console.Write(nums1[i] + " ");   
 
    Console.WriteLine(); 
 
    Console.Write("reverse copy nums1 to nums2");
    if(nums2.Length >= nums1.Length) // make sure nums2 is long enough 
      for(i=0, j=nums1.Length-1; i < nums1.Length; i++, j--) 
        nums2[j] = nums1[i]; 
 
    Console.Write("Reversed contents: "); 
    for(i=0; i < nums2.Length; i++) 
      Console.Write(nums2[i] + " ");   
 
    Console.WriteLine(); 
  } 
}

Original contents: 0 1 4 9 16 25 36 49 64 81
reverse copy nums1 to nums2Reversed contents: 81 64 49 36 25 16 9 4 1 0

11.16.Array Reverse
	11.16.1.	Reverse an array using Array.Reverse
	11.16.2.	Reverse an array in a range
	11.16.3.	Reverse an array
	11.16.4.	Use the Reverse() method to reverse the elements in intArray
	11.16.5.	Use the Reverse() method to reverse the elements in stringArray
	11.16.6.	Use the Reverse() method to reverse the elements in charArray
	11.16.7.	Additional Array Methods