minor formatting cleanup

feign/src/main/java/com/baeldung/feign/BookControllerFeignClientBuilder.java

@@ -14,6 +14,12 @@ public class BookControllerFeignClientBuilder {
     private BookClient bookClient = createClient(BookClient.class, "http://localhost:8081/api/books");
 
     private static <T> T createClient(Class<T> type, String uri) {
-        return Feign.builder().client(new OkHttpClient()).encoder(new GsonEncoder()).decoder(new GsonDecoder()).logger(new Slf4jLogger(type)).logLevel(Logger.Level.FULL).target(type, uri);
+        return Feign.builder()
+            .client(new OkHttpClient())
+            .encoder(new GsonEncoder())
+            .decoder(new GsonDecoder())
+            .logger(new Slf4jLogger(type))
+            .logLevel(Logger.Level.FULL)
+            .target(type, uri);
     }
 }

feign/src/test/java/com/baeldung/feign/clients/BookClientLiveTest.java

@@ -34,25 +34,31 @@ public class BookClientLiveTest {
 
     @Test
     public void givenBookClient_shouldRunSuccessfully() throws Exception {
-        List<Book> books = bookClient.findAll().stream().map(BookResource::getBook).collect(Collectors.toList());
+        List<Book> books = bookClient.findAll()
+            .stream()
+            .map(BookResource::getBook)
+            .collect(Collectors.toList());
         assertTrue(books.size() > 2);
         log.info("{}", books);
     }
 
     @Test
     public void givenBookClient_shouldFindOneBook() throws Exception {
-        Book book = bookClient.findByIsbn("0151072558").getBook();
+        Book book = bookClient.findByIsbn("0151072558")
+            .getBook();
         assertThat(book.getAuthor(), containsString("Orwell"));
         log.info("{}", book);
     }
 
     @Test
     public void givenBookClient_shouldPostBook() throws Exception {
-        String isbn = UUID.randomUUID().toString();
+        String isbn = UUID.randomUUID()
+            .toString();
         Book book = new Book(isbn, "Me", "It's me!", null, null);
         bookClient.create(book);
 
-        book = bookClient.findByIsbn(isbn).getBook();
+        book = bookClient.findByIsbn(isbn)
+            .getBook();
         assertThat(book.getAuthor(), is("Me"));
         log.info("{}", book);
     }