Title: Java Data Types Introduction
Course: CPS 189: Java Certification - Review, Practice & Prepare (Development) > Section: Learning Modules

This unit covers primitive variables and variable initialization.  It overviews classes including wrappers, subclasses, and superclasses.  The unit introduces encapsulation, and the modifiers for enabling it.  It describes how objects are created and concludes with the String and StringBuilder classes.

By the end of this lesson, you will be able to:

- Declare and initialize variables
- Differentiate between object reference variables and primitive variables
- Read or write to object fields
- Explain an object's life cycle
- Call methods on objects
- Manipulate data using the StringBuilder class and its methods
- Create and manipulate strings