    @Test
    public void testTransform() throws Exception {

        List<String> fromList = new LinkedList<>();
        fromList.add("1");
        fromList.add("2");
        fromList.add("3");
        fromList.add("4");

        List<Integer> toList = Lists.transform(fromList, Integer::parseInt);

        assertEquals(toList.size(), fromList.size());
        System.out.println(toList);
    }