ha-01/ArrayManipulation.java

import java.util.Arrays;

public class ArrayManipulation {


    public static int[] reverseArray(int[] arr, String test) {

        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[] newArray1 = new int[arr.length -1];

        for (int i = 1; i < newArray1.length + 1; i++) {
            newArray[i - 1] = arr[i];
        }

        return arr;
    }


    public static int[] removeLast(int[] arr) {

        int[] newArray = new int[arr.length - 1];

        for (int i = 0; i < newArray.length; i++) {
            newArray[i] = arr[i];
        }

        return newArray;
    }

    public static void main(String[] args) {

        int[] arr = {1, 2, 3, 4, 5};
        System.out.println(Arrays.toString(arr));
        System.out.println(Arrays.toString(removeLast(arr)));
        System.out.println(Arrays.toString(reverseArray(arr, "Testing")));

    }
}