diff --git a/src/Author.java b/src/Author.java
index 2057127..14bf400 100644
--- a/src/Author.java
+++ b/src/Author.java
@@ -5,11 +5,11 @@
 import java.util.List;
 
 public class Author extends Person {
-    private List books;
+    private final List<String> books;
 
     public Author(String firstName, String lastName) {
         super(firstName, lastName);
-        books = new ArrayList();
+        books = new ArrayList<>();
     }
 
     /**
@@ -29,7 +29,7 @@ public void addBook(String book) {
     }
 
     @Override
-    public String sortName() {
+    public String fullName() {
         return String.format("%s, %s", lastName, firstName);
     }
 }
diff --git a/src/Main.class b/src/Main.class
new file mode 100644
index 0000000..3359b6e
Binary files /dev/null and b/src/Main.class differ
diff --git a/src/Main.java b/src/Main.java
index 08139ff..131f8e9 100644
--- a/src/Main.java
+++ b/src/Main.java
@@ -1,12 +1,15 @@
 public class Main {
+    @SuppressWarnings("deprecation")
     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);
         }
     }
 }
+
+// java -d out/ src/*
\ No newline at end of file
diff --git a/src/Person.java b/src/Person.java
index e09b8b3..78f78a6 100644
--- a/src/Person.java
+++ b/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.
  */
+
 public class Person {
     protected String firstName;
     protected String lastName;