item1 = new OHLCItem(new Year(2007), 2.2, 4.4, 1.1, 3.0);
        assertFalse(item1.equals(item2));
        item2 = new OHLCItem(new Year(2007), 2.2, 4.4, 1.1, 3.0);
        assertTrue(item1.equals(item2));