Reversing the array without any additional buffer

Question

Can you please advise how to reverse an array without using an additional buffer , which is the best algorithm to achieve this as for example i have the below class consists of an array , i am looking for the best algorithm so that i do not need to create an extra buffer or an extra array while reversing the array

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

}
}

well I don't want to use any predefined method of api i want to create my own please advise how to achieve this

Please, please learn to format your code. – Boris the Spider Mar 28 '15 at 14:53 — Boris the Spider, Mar 28 '15 at 14:53
@Boris Thanks i will make sure to format – user1620642 Mar 28 '15 at 14:57 — user1620642, Mar 28 '15 at 14:57
@Alex please share the duplicate question url also – user1620642 Mar 28 '15 at 14:58 — user1620642, Mar 28 '15 at 14:58
@user1620642 You can't click on the link???? – Alexis C. Mar 28 '15 at 15:02 — Alexis C., Mar 28 '15 at 15:02
@AlexisC. sorry , yeah i have checked thanks – user1620642 Mar 28 '15 at 15:02 — user1620642, Mar 28 '15 at 15:02

score 0 · Answer 1 · edited Mar 28 '15 at 15:17

0

There already exists an implementation of it:

ArrayUtils.reverse(int[] array)

in Commons.Lang.

edited Mar 28 '15 at 15:17

Tom

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answered Mar 28 '15 at 14:53

Michał Szydłowski

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Reversing the array without any additional buffer

1 Answers1