Java uses empty interfaces to tag, that is, mark object classes that are to be singled out for special treatment. Empty interface examples include Cloneable, Serializable, and UIResource.

1 Explain and discuss the key concepts of object-oriented programming. 2 Apply the principles of object-oriented program design in a practical setting. 3 Use object-oriented programming constructs ...

You’ll learn basic structure and syntax, Java objects, flow control, arrays, and more. By the end, you’ll have a firm grasp on the language and feel confident to begin working on your projects.

Roadmap for Java Here are the steps you’ll want to follow on the 2023 Java developer career roadmap: Learn the fundamentals. Get object-oriented. Install the JDK and an IDE. Dig deeper into the API.

Over 211,000 students have taken this Java course that includes sections on object-oriented programming, conditionals, loops, reference types, arrays, and more.

“Object oriented” refers to the way that Java code is structured: in modular sections called “classes” that work together to deliver a cohesive experience.

Becoming popular in the early 1990s and the norm today, object-oriented programming (OOP) languages, such as C++ and Java, provide a formal set of rules for creating and managing objects.