Objects

Objects

1. Classes

   • Class Name
   • Fundamental building blocks of java
   • Attributes - "fields"
   • Actions - "methods"
     • Declaration Part - "signature"
       • return value
       • method name
       • list of arguments
     • Body
       • code that perform the action
     • main method
       • every application has to have a class that contains a main method
       • provides the entry point to an application
   • blueprints for objects
   • Constructor

2. "abstraction" - objects represent real-world objects

3. Formed by the class

4. reference variable

   • used to call methods and access fields