java - Reversing the array without any additional buffer -

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• how reverse int array in java? 34 answers

can please advise how reverse array without using additional buffer , best algorithm achieve example have below class consists of array , looking best algorithm not need create buffer or array while reversing array

public class ardem {  public static void main(string[] args)  { int[] numbers = {1, 2, 3, 4, 5, 6, 7};  } } 

well don't want use predefined method of api want create own please advise how achieve this

there exists implementation of it:

arrayutils.reverse(int[] array) 

in commons.lang.