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 ...
TheServerSide

ObjectOutputStream example: A Java object serialization tutorial

Community driven content discussing all aspects of software development from DevOps to design patterns. In this Java serialization example, we will use both the ObjectOutputStream and the ...
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

Java Supplier interface example for functional programming

Community driven content discussing all aspects of software development from DevOps to design patterns. There are only half a dozen classes you really need to master to become competent in the world ...