list.addLast("2");
        list.removeFirst();
        assertThat(list.getFirst(), is("2"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testRemoveLast() throws Exception {
        list.addLast("1");
        list.addLast("2");
        list.removeLast();
        assertThat(list.getLast(), is("1"));
    }

    /**
     * @throws Exception
     */

        assertThat(newArray[0], is("111"));
        assertThat(newArray[1], is("333"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testRemoveLast() throws Exception {
        final String[] array = new String[] { "111", "222", "333" };
        final String[] newArray = ArrayUtil.remove(array, "333");
        assertThat(newArray.length, is(2));