FileUtils { public static String[] getContentAsLines(File file) throws IOException { List<String> list = Files.readAllLines(file.toPath(), StandardCharsets.UTF_8); return list.toArray(StringUtils.EMPTY_ARRAY); } private  FileUtils(); static boolean contains(File[] files, String fileName); static int getAmountOfFiles(File directory); static String getContentOfFile(File file); static String[] getContentAsLines(File file); static Collection<File> findFilesByExtension(String directory, String extension); static Collection<File> findFilesByExtension(File directory, String extension); static Node<File> collectFiles(File directory); static void overrideFile(File file, String content); static boolean delete(File file); static File[] toFiles(String... paths); static String getName(File file); static String getName(URL url); static String getName(String path);  }
@Test void getContentAsLines() throws IOException { Assertions.assertArrayEquals(CONTENT.split(System.lineSeparator()), FileUtils.getContentAsLines(content)); }