@Test
    public void searchTest() {
        for (int i = 1; i < 9; i++) {
            System.out.println("");
            int[] array = initRandomArray(10000 * (int) Math.pow(2, i));
            printTime(testJavaLinkedListIndexOf(array));
            printTime(testDoublyLinkedListSearches(array));
        }
    }