diff --git a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/BookService.java b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/BookService.java
index 770e86ad68..c72d8fe70d 100644
--- a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/BookService.java
+++ b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/BookService.java
@@ -4,7 +4,7 @@ import java.util.List;
 
 public interface BookService {
 
-	List<Book> findAll();
+    List<Book> findAll();
 
-	void saveAll(List<Book> books);
+    void saveAll(List<Book> books);
 }
diff --git a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/BooksCreationDto.java b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/BooksCreationDto.java
index 8e5654143a..a25418815b 100644
--- a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/BooksCreationDto.java
+++ b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/BooksCreationDto.java
@@ -5,25 +5,25 @@ import java.util.List;
 
 public class BooksCreationDto {
 
-	private List<Book> books;
+    private List<Book> books;
 
-	public BooksCreationDto() {
-		this.books = new ArrayList<>();
-	}
+    public BooksCreationDto() {
+        this.books = new ArrayList<>();
+    }
 
-	public BooksCreationDto(List<Book> books) {
-		this.books = books;
-	}
+    public BooksCreationDto(List<Book> books) {
+        this.books = books;
+    }
 
-	public List<Book> getBooks() {
-		return books;
-	}
+    public List<Book> getBooks() {
+        return books;
+    }
 
-	public void setBooks(List<Book> books) {
-		this.books = books;
-	}
+    public void setBooks(List<Book> books) {
+        this.books = books;
+    }
 
-	public void addBook(Book book) {
-		this.books.add(book);
-	}
+    public void addBook(Book book) {
+        this.books.add(book);
+    }
 }
diff --git a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/Config.java b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/Config.java
index ffba2cea2c..00e1a0393e 100644
--- a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/Config.java
+++ b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/Config.java
@@ -16,14 +16,14 @@ public class Config implements WebMvcConfigurer {
 
     @Override
     public void addViewControllers(ViewControllerRegistry registry) {
-        registry.addViewController("/").setViewName("index");
+        registry.addViewController("/")
+            .setViewName("index");
         registry.setOrder(Ordered.HIGHEST_PRECEDENCE);
     }
 
     @Bean
     public ITemplateResolver templateResolver() {
-        ClassLoaderTemplateResolver resolver
-            = new ClassLoaderTemplateResolver();
+        ClassLoaderTemplateResolver resolver = new ClassLoaderTemplateResolver();
         resolver.setPrefix("templates/books/");
         resolver.setSuffix(".html");
         resolver.setTemplateMode(TemplateMode.HTML);
diff --git a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/InMemoryBookService.java b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/InMemoryBookService.java
index 56ca41c51f..b35522a3ee 100644
--- a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/InMemoryBookService.java
+++ b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/InMemoryBookService.java
@@ -12,16 +12,16 @@ import java.util.stream.Collectors;
 @Service
 public class InMemoryBookService implements BookService {
 
-	static Map<Long, Book> booksDB = new HashMap<>();
+    static Map<Long, Book> booksDB = new HashMap<>();
 
-	@Override
-	public List<Book> findAll() {
-		return new ArrayList(booksDB.values());
-	}
+    @Override
+    public List<Book> findAll() {
+        return new ArrayList<>(booksDB.values());
+    }
 
-	@Override
-	public void saveAll(List<Book> books) {
-	    long nextId = getNextId();
+    @Override
+    public void saveAll(List<Book> books) {
+        long nextId = getNextId();
         for (Book book : books) {
             if (book.getId() == 0) {
                 book.setId(nextId++);
@@ -29,14 +29,14 @@ public class InMemoryBookService implements BookService {
         }
 
         Map<Long, Book> bookMap = books.stream()
-			.collect(Collectors.toMap(
-				Book::getId, Function.identity()));
+            .collect(Collectors.toMap(Book::getId, Function.identity()));
 
-		booksDB.putAll(bookMap);
-	}
+        booksDB.putAll(bookMap);
+    }
 
-	private Long getNextId(){
-        return booksDB.keySet().stream()
+    private Long getNextId() {
+        return booksDB.keySet()
+            .stream()
             .mapToLong(value -> value)
             .max()
             .orElse(0) + 1;
diff --git a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/ListBindingApplication.java b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/ListBindingApplication.java
index af8608704b..261954fcff 100644
--- a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/ListBindingApplication.java
+++ b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/ListBindingApplication.java
@@ -5,9 +5,7 @@ import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
 import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
 
-@SpringBootApplication(
-        exclude = {SecurityAutoConfiguration.class,
-                DataSourceAutoConfiguration.class})
+@SpringBootApplication(exclude = { SecurityAutoConfiguration.class, DataSourceAutoConfiguration.class })
 public class ListBindingApplication {
 
     public static void main(String[] args) {
diff --git a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/MultipleBooksController.java b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/MultipleBooksController.java
index 2e177c7bbf..1ed44778c6 100644
--- a/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/MultipleBooksController.java
+++ b/spring-mvc-forms-thymeleaf/src/main/java/com/baeldung/listbindingexample/MultipleBooksController.java
@@ -15,45 +15,47 @@ import java.util.List;
 @RequestMapping("/books")
 public class MultipleBooksController {
 
-	@Autowired
-	private BookService bookService;
+    @Autowired
+    private BookService bookService;
 
-	@GetMapping(value = "/all")
-	public String showAll(Model model) {
-		model.addAttribute("books", bookService.findAll());
+    @GetMapping(value = "/all")
+    public String showAll(Model model) {
+        model.addAttribute("books", bookService.findAll());
 
-		return "allBooks";
-	}
+        return "allBooks";
+    }
 
-	@GetMapping(value = "/create")
-	public String showCreateForm(Model model) {
-		BooksCreationDto booksForm = new BooksCreationDto();
+    @GetMapping(value = "/create")
+    public String showCreateForm(Model model) {
+        BooksCreationDto booksForm = new BooksCreationDto();
 
-		for (int i = 1; i <= 3; i++) {
-			booksForm.addBook(new Book());
-		}
+        for (int i = 1; i <= 3; i++) {
+            booksForm.addBook(new Book());
+        }
 
-		model.addAttribute("form", booksForm);
+        model.addAttribute("form", booksForm);
 
-		return "createBooksForm";
-	}
+        return "createBooksForm";
+    }
 
-	@GetMapping(value = "/edit")
-	public String showEditForm(Model model) {
-		List<Book> books = new ArrayList<>();
-		bookService.findAll().iterator().forEachRemaining(books::add);
+    @GetMapping(value = "/edit")
+    public String showEditForm(Model model) {
+        List<Book> books = new ArrayList<>();
+        bookService.findAll()
+            .iterator()
+            .forEachRemaining(books::add);
 
-		model.addAttribute("form", new BooksCreationDto(books));
+        model.addAttribute("form", new BooksCreationDto(books));
 
-		return "editBooksForm";
-	}
+        return "editBooksForm";
+    }
 
-	@PostMapping(value = "/save")
-	public String saveBooks(@ModelAttribute BooksCreationDto form, Model model) {
-		bookService.saveAll(form.getBooks());
+    @PostMapping(value = "/save")
+    public String saveBooks(@ModelAttribute BooksCreationDto form, Model model) {
+        bookService.saveAll(form.getBooks());
 
-		model.addAttribute("books", bookService.findAll());
+        model.addAttribute("books", bookService.findAll());
 
-		return "redirect:/books/all";
-	}
+        return "redirect:/books/all";
+    }
 }