What is the Factory OO design pattern? Note: Make sure you read the documentation and understand this design pattern for the in-class final exam. Saving object data to files This occurs when a parent class reference is used to refer to a child class object A method that fills an ArrayList based on a data source Using a thread to construct objects based on a timer tick Using a method to create objects without having to specify the exact class of the object to be produced None of the answers best reflect the definition The process to hide certain details and only show the essential features of an object