Chapter 4

Chapter 4

1. Classes

   • Features of Classes
     • Attributes
       • Describes data that a class holds
       • AKA fields
     • Methods
       • Describes the actions a class can perform
       • Can either accept arguments as input, return a value as output, or both
     • Name
       • Made using keyword "class" followed by a name for the class
         • Starts with a capital letter by convention
       • Constructor and file name of class must be the same as the class name
   • Can create multiple instances of classes
     • Each instance is a separate object
       • Each instance can have unique data in attributes
         • Maintains same set of attributes and methods

2. Abstraction

   • Representing real world concepts in code through classes