Latest Articles

Java frameworks for the cloud: Establishing the bounds for rapid startups

GraalVM

Making the case for using the GraalVM platform for serverless applications

How to write your own Maven plugins

Tools

Creating custom plugins for the Apache Maven build tool is easier than you might think.

The Java Optional class: 11 more recipes for preventing null pointer exceptions

Design Patterns

How to avoid Optional class antipatterns and design smells—all while streamlining application development

Java Card 3.1 explored

Java Card

The new release tunes the popular Java platform for IoT applications as well as the cloud.

Getting started with JavaFX on Raspberry Pi

Coding

The inexpensive single-board computer works great with Java, making hardware development as easy as traditional software development.

Streaming analytics with Java and Apache Flink

Coding

How to use Flink’s built-in complex event processing engine for real-time streaming analytics

Concurrent programming with Concurnas

Coding

Modern developers have access to hardware of never-before-seen power. Here’s how to leverage Concurnas, a new JVM programming language, to unlock that power.

Get started with concurrency in Jakarta EE

Jakarta EE

One of the cornerstones of any well-written application is good performance, and that often means being able to run two or more tasks at the same time in parallel.

12 recipes for using the Optional class as it’s meant to be used

Java 14

Follow these dozen best practices to protect your applications against ugly null pointer exceptions—and make your code more readable and concise.

The 25 greatest Java apps ever written

Java 25th Anniversary

From space exploration to genomics, from reverse compilers to robotic controllers, Java is at the heart of today’s world. Here are a few of the countless Java apps that stand out from the crowd.

Is it time for operator overloading in Java?

Debugging

Love it or loathe it, this article makes the case that operator overloading is essential for making code easier to read, writer, and debug.

The role of preview features in Java 14, Java 15, Java 16, and beyond

Java 14

How Oracle gathers feedback on new JDK functionality with preview, experimental, and incubating features

Pattern Matching for instanceof in Java 14

Java 14

Use pattern matching for instanceof to simplify the use of the instanceof operator in Java, thereby making your code safer and easier to write.

The Best of the JDK Face-Off

Java 25th Anniversary

Twenty-five years of Java development saw many innovations in languages, libraries, tooling, and runtimes. Tell us what you think matters most.

Five Code Review Antipatterns

Testing

Everyone cares about best practices, but worst practices can sometimes be more illuminating.

Java Flight Recorder and JFR Event Streaming in Java 14

Java 14

Get a stream of high-volume data points about your running app.

Java 14 Arrives with a Host of New Features

Java 14

Java 14 contains more new features than the previous two releases—most of them aimed at easing coding.