Better fix

src/Author.java

@@ -4,14 +4,17 @@
 import java.util.ArrayList;
 import java.util.List;
 
+//@SuppressWarnings({"unchecked", "deprecation"})
 public class Author extends Person {
-    private List books;
+    private final List<String> books;
 
-    public Author(String firstName, String lastName) {
+    public Author(String firstName, String lastName){
         super(firstName, lastName);
-        books = new ArrayList();
+        books = new ArrayList<>();
+
     }
 
+
     /**
      * @deprecated Use publishedBooks instead
      */
@@ -25,10 +28,10 @@ public List<String> publishedBooks() {
     }
 
     public void addBook(String book) {
-        books.add(book);
+       books.add(book);
     }
+    //I had to fix this in easy_fix??
 
-    @Override
     public String sortName() {
         return String.format("%s, %s", lastName, firstName);
     }

src/Main.java

@@ -1,11 +1,12 @@
+//@SuppressWarnings("unchecked")
 public class Main {
     public static void main(String[] args) {
         Author author = new Author("Sandi", "Metz");
 
         author.addBook("Practical Object-Oriented Design in Ruby");
         author.addBook("99 Bottles of OOP");
 
-        for (String book: author.getBooks()) {
+        for (String book: author.publishedBooks()) {
             System.out.println(book);
         }
     }

src/Person.java

@@ -1,6 +1,7 @@
 /**
  * This source file is subject to the license that is bundled with this package in the file LICENSE.
  */
+//@SuppressWarnings("unchecked")
 public class Person {
     protected String firstName;
     protected String lastName;