commit 9a06989a80fa296527172f85d47ca65cd8fce4d8 Author: EduardRebin Date: Fri Apr 22 13:03:53 2022 +0200 new diff --git a/ArrayManipulation.java b/ArrayManipulation.java new file mode 100644 index 0000000..70cc04e --- /dev/null +++ b/ArrayManipulation.java @@ -0,0 +1,29 @@ +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 int[] removeFirst(int[] arr) { + int[] rmFirst = new int[arr.length - 1]; + for(int i = 0; i <= arr.length - 2; i++) { + rmFirst[i] = arr[i+1]; + } + return rmFirst; + } + public static void main(String[] args) { + + int[] arr = {1,2,3,4,5}; + System.out.println(Arrays.toString(reverseArray(arr))); + System.out.println(Arrays.toString(removeFirst(arr))); + } +}