From 56efefce96ebf3a7c30c0aec15ae60f5edb4c21a Mon Sep 17 00:00:00 2001 From: jkonert Date: Mon, 25 Apr 2022 10:06:50 +0200 Subject: [PATCH] added first version of ArrayManipulation.java --- ArrayManipulation.java | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 ArrayManipulation.java diff --git a/ArrayManipulation.java b/ArrayManipulation.java new file mode 100644 index 0000000..d9e423f --- /dev/null +++ b/ArrayManipulation.java @@ -0,0 +1,22 @@ +import java.util.Arrays; + +public class ArrayManipulation { + + + public static int[] reverseArray(int[] arr) { + + for (int i = 0; i < arr.length/2; i++) { + int tmp = arr[i]; + arr[i] = arr[arr.length - 1 - i]; + arr[arr.length - 1 - i] = tmp; + } + return arr; + + } + + public static void main(String[] args) { + + int[] arr = {1,2,3,4,5}; + System.out.println(Arrays.toString(reverseArray(arr))); + } +}