Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields ...

Classes and objects in Java must be initialized before they are ... and because it’s faster to access an array element than to call a method, developers resort to performance tricks such as ...

Records can help you write more predictable code, reduce complexity, and improve the overall quality of your Java ... class or when you have more complex objects, you can either create a method ...

Imagine you are an expert object-oriented ... from extending certain classes. A method might accept a specific type and its subclasses, but you want to restrict usage to a select few implementations ...

Typically, distributed applications in Java need to locate a remote method. They also need to communicate with remote objects and load the class definitions for these objects. RMI is required to ...

This module introduces core object-oriented ... with software architecture, user experience (UX/UI), database integration, and API design. You will refine your ability to model applications using UML, ...