Arrays

import java.util.Arrays;
import java.util.Random;

public class Main {
    public static void main(String[] args) {
        System.out.println();
        System.out.println();

        int length = 10;
        int[] unsortedArray = getRandomArray(length);
        System.out.println("unsorted array: " + Arrays.toString(unsortedArray));
        int[] reverseArray = getReverseArray(unsortedArray);
        System.out.println("reverse the unsorted array: " + Arrays.toString(reverseArray));

        double mean = getMeanArray(unsortedArray);
        System.out.println();
        int[] sortedArray = getSortedArray(unsortedArray);
        System.out.println("sorted the array: " + Arrays.toString(sortedArray));
        int[] reverseArray2 = getReverseArray(unsortedArray);
        System.out.println("reverse the sort: " + Arrays.toString(reverseArray2));
        System.out.println();
        System.out.println("mean of array: " + mean);
        System.out.println("max of array: " + sortedArray[length-1]);
        System.out.println("min of array: " + sortedArray[0]);
        System.out.println();
        System.out.println("writing out an array");
        for (int i : unsortedArray) {
            System.out.print(i + " ");
        }
    }


    public static int[] getSortedArray(int[] array) {
        Arrays.sort(array);
        return array;
    }


    public static int[] getRandomArray(int len) {
        Random random2 = new Random();
        int[] randomArray = new int[len];
        for (int x = 0; x < len; x++) {
            randomArray[x] = random2.nextInt(100);
        }
        return randomArray;
    }


    public static int[] getReverseArray(int[] array) {
        int[] revArray = new int[array.length];
        for (int x = array.length - 1; x >= 0; x--) {
            revArray[array.length - x - 1] = array[x];
        }
        return revArray;
    }


    public static double getMeanArray(int[] array){
        int sum = 0;
        double mean;
        for (int i : array) {
            sum = i + sum;

        }
        mean = (double) sum / array.length;
        return mean ;
    }
}