public static void main(String[] args) {
        MyArrayList list = new MyArrayList(100000);

        int i = 0;
        while(i<10){
            list.insertItem((int) (Math.random() * 100), list.getSize());
            i = i + 1;
        }
        list.display();

        System.out.println( "Item at index 2 = " + list.getItem(2));
        // System.out.println( "Item at index 200000 = " + list.getItem(200000));

        System.out.println("Inserting 999 at position 5");
        list.insertItem(999, 5);
        list.display();

        System.out.println("Deleting from position 2");
        list.removeItem(2);
        list.display();

        randomAccessPerformanceDemo(list, 20, list.getCapacity());
        insertPerformanceDemo(list, 20, list.getCapacity());
        removePerformanceDemo(list, 20, list.getCapacity());

    }