InfoWorld

Class and object initialization in Java

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...
Android Authority

How to use classes in Java

One of the features that make Java so powerful, is its object-oriented structure. This means that Java uses classes and objects to create more scalable, modular, and organized code. This can be a ...
InfoWorld

Java persistence with JPA and Hibernate: Entities and relationships

The Jakarta Persistence API (JPA) is a Java specification that bridges the gap between relational databases and object-oriented programming. This two-part tutorial introduces JPA and explains how Java ...
TheServerSide

Performance cost of autoboxing Java primitive types explained

Community driven content discussing all aspects of software development from DevOps to design patterns. Primitive types represent the simplest, most direct way to represent data in code. Even the most ...