qf1 = new QuarterDateFormat(TimeZone.getTimeZone("PST"), 
                new String[] {"A", "2", "3", "4"});
        assertFalse(qf1.equals(qf2));
        qf2 = new QuarterDateFormat(TimeZone.getTimeZone("PST"), 
                new String[] {"A", "2", "3", "4"});
        assertTrue(qf1.equals(qf2));