Primitives Data Types In Java - All the Primitives And What They Do

Primitive Data Types (Java Tutorial)

#8 Java Primitive Types Explained | Java For Beginners

Data Types in Java Explained | Primitive and Non-Primitive Data Types

What Are Data Types in Java? | Java Programming Basics

Primitive Types and Reference Types in Java

Java Reference Variable Explained - What is a Reference Variable?

Java Method References - A Beginner's Guide