Unit 1 - Primitive & Reference Types

Intro

Primitive Types

Reference Types

Stack and Heap

Code Example

Quiz

Data Types

Data types in Java are categorized as either primitive or reference.

A type is a set of values (e.g., integers, floats, strings, etc.). The type determines how data is stored in memory and how a set of operators (e.g., +, -, *, /, etc.) will work with them.

Resources

The sources for Java are vast.

Here are AP Specific Resources

• AP CSA Unit 1
• Quizlet

Or you can Google “Java Data Types”. Here are some in order recommended sites.

• W3 Schools
• GeeksForGeeks
• JavaTpoint
• Oracle Java Documentation