A degree in fine arts can prepare students for careers in the visual arts or the performing arts. Programs at colleges, universities, art academies and technical schools often provide an overview of fine arts before requiring students to choose a concentration.
The main characteristic of the factory system is the use of machinery, originally powered by water or steam and later by electricity. Other characteristics of the system mostly derive from the use of machinery or economies of scale, the centralization of factories, and standardization of interchangeable parts.
The Factory Design Pattern is useful in a situation that requires the creation of many different types of objects, all derived from a common base type. The Factory Method defines a method for creating the objects, which subclasses can then override to specify the derived type that will be created.