TheServerSide

Java records tutorial

The most significant addition to the Java language since Sun Microsystems rewrote the collections API for Java 5 is the introduction of Java records. Java records address two significant pain points ...
TheServerSide

Java, JDBC and the HSQLDB database tutorial

Community driven content discussing all aspects of software development from DevOps to design patterns. The easiest way for a Java developer to learn Java Database Connectivity (JDBC) is to experiment ...
InfoQ

Project Helidon Tutorial: Building Microservices with Oracle’s Lightweight Java Framework

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...
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 ...
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 ...