Chapter 5. Factories
This chapter will introduce you to the concept of types. A data type, or simply a type, is a classification of data. The type defines the operations that can be done on the data and the various attributes it might have. A sentence or a word can be considered as being a String
. A number (non-decimal) can be considered to be an Int
type. We will cover what exactly String
and Int
are along with how to create our own instances of String
and Int
. An instance is the actual number or the actual word we're referring to.
In this chapter, we will cover the following topics:
Creating an instance of a
String
,Int
, andDouble
Having a clear understanding as to what a type is