Java 8 bubble sort integer array example using predicates for acending and descending options

BubbleSort.java

import java.util.Arrays;
import java.util.Random;
import java.util.function.Predicate;

public class BubbleSort {

    private static Random random = new Random();

    private Integer[] sort(Integer[] array, Predicate<Integer> sortType) {
        int count = 0;
        boolean sorted = false;
        int temp;
        while (!sorted) {
            sorted = true;
            count++;

            for (int i = 0; i < array.length - 1; i++) {
                if (sortType.test(i)) {
                    temp = array[i];
                    array[i] = array[i + 1];
                    array[i + 1] = temp;
                    sorted = false;
                }
            }
        }

        // System.out.println("Iterations: " + count);
        return array;
    }


    public static void main(String[] args) {
        System.out.println("Bubble sort");

        Integer[] array = randomArray(100);
        System.out.println("Original: " + Arrays.toString(array));
        BubbleSort b = new BubbleSort();

        Predicate<Integer> ascending = i -> array[i] > array[i + 1];
        System.out.println("Ascending: " + Arrays.toString(b.sort(array, ascending)));

        Predicate<Integer> descending = i -> array[i] < array[i + 1];
        System.out.println("Descending: " + Arrays.toString(b.sort(array, descending)));
    }

    private static Integer[] randomArray(int i) {
        Integer[] integers = new Integer[i];
        for (int j = 0; j < integers.length; j++) {
            integers[j] = random.nextInt(100);
        }
        return integers;
    }

}