diff --git a/class.class.php b/class.class.php
--- a/class.class.php
+++ b/class.class.php
@@ -31,7 +31,17 @@ class Classes
     $this->sections[$this->nsections] = new Section($l, $p, $s, $e, $d);
     $this->nsections++;
   }
-	
+
+  /**
+   * \brief
+   *   Adds an already-instantiated section to this class.
+   */
+  public function section_add(Section $section)
+  {
+    $this->sections[$this->nsections] = $section;
+    $this->nsections ++;
+  }
+
   //--------------------------------------------------
   // Returns the number of sections in the class.
   //--------------------------------------------------
@@ -84,4 +94,55 @@ class Classes
 
     return $out;
   }
+
+  /**
+   * \brief
+   *   Split up a user-friendly course specification into components.
+   *
+   * This will only return the 'department' and 'course' components of
+   * the given course identifier. Otherwise, it acts the same as
+   * Section::parse.
+   *
+   * \see Section::parse()
+   *
+   * \param $course_spec
+   *   A course specifier to parse, such as 'cs262' or 'MATH-156'.
+   * \return
+   *   An array with normalized output having keys of 'department' and
+   *   'course'. If the user's input has less than these two keys of
+   *   information, the returned array may have zero or one elements.
+   */
+  public static function parse($course_spec)
+  {
+    $section_parts = Section::parse($course_spec);
+    if (isset($section_parts['section']))
+      unset($section_parts['section']);
+
+    return $section_parts;
+  }
+
+  /**
+   * \brief
+   *   Represent this class as a string.
+   */
+  public function __toString()
+  {
+    return $this->getName();
+  }
+
+  /**
+   * \brief
+   *   Represent this class as an array of sections ready to be JSONized.
+   */
+  public function to_json_array()
+  {
+    $json_array = array('class' => $this->getName(),
+			'sections' => array());
+    foreach ($this->sections as $section)
+      {
+	$json_array['sections'][] = $section->to_json_array();
+      }
+
+    return $json_array;
+  }
 }