Objects & Classes

Objects & Classes

1. Objects

   • Fields
     • Variables that are primitives or references to objects
   • Methods
     • Define actions that a class's objects can do
     • Declaration
       • Consists of a return value, method name, and list of arguments
     • Body
       • Consists of the code that performs the action
     • main
       • A special method that provides the entry point to an application and allows the class containing it to be invoked
   • Has attributes and can perform actions

2. Classes

   • A blueprint or a template to create object of identical type
   • Classes determine what kind of objects you get
   • Constructor
     • A method not containing an return value that is used to construct an object