Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications ... You don’t have to create any Book objects to call class methods.

We'll follow the same Java Bean pattern and define the ... The point is when you need to create a Value Object or an immutable type, you can use a Record that can fit perfectly on it.

You might know that Java passes by value, but it helps to understand why. Here's what happens when you pass mutable and immutable object references in Java. Many programming languages allow ...