patterns in zend mock test

Question:

Consider the following series of classes and interfaces
_author;
}
public function getTitle() {
return $this->_title;
}
}
class MyClass2 {
private $_instance;
public function __construct(MyClass $a) {
$this->_instance = $a;
}
public function getTitleAndAuthor() {
$retval = array(
'title' => $this->_instance->getTitle(),
'author' => $this->_instance->getAuthor()
);
return $retval;
}
}
class MyClass3 {
public function doSomething(MyInterface $instance) {
$value = $instance->getTitleAndAuthor();
}
}
?>
MyClass2 is an example of the ________ design pattern.

Answer:

Factory method pattern. As this pattern uses an interface and the subclasses implements that pattern independent of each other.
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