Behavioral\Iterator restructured

Behavioral/Iterator/Book.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace DesignPatterns\Behavioral\Iterator;
+
+class Book
+{
+
+    private $author;
+
+    private $title;
+
+    public function __construct($title, $author)
+    {
+        $this->author = $author;
+        $this->title = $title;
+    }
+
+    public function getAuthor()
+    {
+        return $this->author;
+    }
+
+    public function getTitle()
+    {
+        return $this->title;
+    }
+
+    public function getAuthorAndTitle()
+    {
+        return $this->getTitle() . ' by ' . $this->getAuthor();
+    }
+}