diff --git a/ArrayManipulation.java b/ArrayManipulation.java new file mode 100644 index 0000000..bf610b4 --- /dev/null +++ b/ArrayManipulation.java @@ -0,0 +1,37 @@ +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 length = arr.length; + int[] result = new int[length - 1]; + + for (int i = 1; i < arr.length; i++) { + result[i-1] = arr[i]; + } + + return result; + } + + + 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))); + + } +}