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Virtual threads became a permanent feature in JDK 21. This is one of the most exciting additions to the Java Platform in recent years. We will present some guidance on using Virtual threads effectively. We will present an update on the so called 'pinning' issue that many developers have run into wit...

Discover ActiveJ, a lightweight Java framework for high-performance applications. The post Introduction to ActiveJ first appeared on Baeldung.

We developed a simple CodeQL query to find denial-of-service (DoS) vulnerabilities in several high-profile Java projects.

On March 13, Azul and Java luminaries host a virtual event to celebrate 30 years of Java. Today we’re profiling Simon Ritter. The post Simon Ritter Helps Celebrate 30 Years of Java appeared first on Azul | Better Java Performance, Superior Java Support.

Pi4J provides a friendly object-oriented I/O API and implementation libraries for Java Programmers to access the full I/O capabilities of the Raspberry Pi platform. The project "hides" the complexity to interact with electronic components through different ways of communication (SPI, ... The post Pi...

The blog discusses the effectiveness of AI coding assistants, highlighting their capabilities and limitations. It demonstrates practical applications, such as explaining Kubernetes YAML, Java code, regular expressions, and cron expressions. While these assistants can enhance understanding and code r...

Come to JavaOne 2025 to see some of the top Java experts from across the globe in-person!

Azul’s Java Performance Engineering Lab tested Azul Zing versus other OpenJDK distributions on JDK 21. What does this mean for upgrading? The post Azul Zing’s Impact on JDK 21 Performance and Upgrading appeared first on Azul | Better Java Performance, Superior Java Support.

Table of Contents Put a stake through the heart of undead codeAzul Code Inventory can help remove undead codeGradle Devlocity can help automate tasks to improve productivity 10-30% of the custom code in applications is undead code and can just ... The post Webinar: Find Undead Code in Your Java Envi...

Java Type Annotations #6: Receiver Parameter In the Java Programming language, type annotations are those which annotates the use of a type. When we invoke an object's method, we use at least one type: the type of the object on which the method is invoked. From the two statements above, we conclude ...

Ok -- no. For real. Final stretch. I swear. Just a few more edits...

Explore three approaches to sorting alphanumeric strings in Java, from basic lexicographic sorting to natural sorting using custom comparators and mixed case handling. The post Sorting Alphanumeric Strings in Java first appeared on Baeldung.

Garbage collection (GC) is a key feature of the Java Platform that enables automatic memory management, allowing developers to focus on solving problems other than low-level memory management.Since JDK 8, the GC performance have improved significantly, removing much of the overhead usually associate...

Nostalgia city I've recently started maintaining a Clojure codebase that hasn't been touched for over a decade - all Clojure devs that built and maintained it are long gone. It's using java8, Clojure 1.6 and libs like korma and noir - remember those? Contrary to the prevailing Clojure lore, upgradin...

"Just use Postgres" is still true, Java is always getting better and an interesting writeup on Apple and encryption. The post Java Weekly, Issue 581 first appeared on Baeldung.

Explore why the ClassCastException is raised when casting Object[] to Integer[] in Java. The post Resolving ClassCastException: Ljava.lang.Object; cannot be cast to Ljava.lang.Integer first appeared on Baeldung.

Java's switch statement doesn't support relational operators like >=, but there are a few ways to work around this limitation. The post Using Greater-Than-Or-Equal-to in a Switch Statement in Java first appeared on Baeldung.

On March 13, Azul and Java luminaries host a virtual event to celebrate 30 years of Java. We’re profiling one of our presenters, Marit Van Dijk. The post Gerrit Grunwald Helps Celebrate 30 Years of Java appeared first on Azul | Better Java Performance, Superior Java Support.

While we all get excited imagining the many happy path scenarios using quantum computers, what if such computation power will be employed for compromising the cryptographic algorithms that secure data and communications? How can Java applications help withstand such security threats? Today's episode...

Kira Howe ‘s 2024 article about the current state of ML in Clojure prominently features the Tribuo library by Oracle Labs and the Clojure wrapper for Tribuo. Tribuo integrates XGBoost, ONNX runtime, and Tensorflow-Java. However the Tensorflow bindings for Java look a bit verbose (see e.g. MNIST exam...

Table of Contents A story about legacyEvaluating SpEL expressionsImplementing the audit adviceTesting the audit aspectImprovementsFootnotes In this article, we'll implement a declarative API to perform tasks belonging to cross-cutting concerns, using auditing as an example. We'll see how SpEL and .....

The second State of Java Survey confirms that Java continues to innovate, adapt, and lead enterprise business application development. The post Organizations Tackle High Cloud Costs, but Cloud Overages Are Still Common appeared first on Azul | Better Java Performance, Superior Java Support.

The last week or so I've been playing with a new language, which honestly is one of the most fun things I get to do. BoxLang is a dynamic scripting language that runs on the JVM although you don't really need to know a thing about Java to make use of it. It's currently in beta and moving towards an ...

Table of Contents VideoPodcast (audio only)GuestsLinksContent In this Foojay podcast, we dive into a few articles that were published recently and focus on code. Video Podcast (audio only) Guests Links Content 00:00 Introduction of the topics and guests 00:55 Wim ... The post Foojay Podcast #66: Let...

Be sure to read Max Rydahl Andersen’s blog post that introduces the Model Context Protocol servers project which provides a set of MCP servers implemented using Quarkus and Java. Starting with JDBC, filesystem and JavaFX. Don’t miss transcript of Holly’s QCon talk "Zero Waste, Radical Magic, and Ita...

Oracle audit consultancy ProLicense conducted an OpenJDK comparison between two OpenJDK distributions, Azul Platform Core and Amazon Corretto. The post ProLicense Compares Azul Platform Core and Amazon Corretto appeared first on Azul | Better Java Performance, Superior Java Support.

Use Pulumi with Java to create and manage AWS resources, including an S3 bucket, an EC2 instance, and a security group. The post Introduction to Pulumi With Java first appeared on Baeldung.

Learn to avoid inserting a null value into a map in Java. The post Putting Value Into Map if Not Null in Java first appeared on Baeldung.

May the Flows be with you! We are happy to announce that Jox library now has a new feature called Flows: bringing the rich concurrency features of Reactive Streams, while keeping the simplicity of synchronous Java programming! Inspired by Scala counter-part library Ox and Kotlin Implementation, Flow...

The Inside Java Newsletter for January 2025 highlights the upcoming JavaOne conference in California March 18-20. Go to javaone.com to register now! Also in this issue you'll find multiple podcasts, the latest technical articles and videos, and conference and JUG updates from around the world. The I...

Java Type Annotations #5: var and void In the Java Programming language, type annotations are those which can be applied to the use of a type. When we declare a LocalDate local variable named today, for example, we are using the LocalDate type; we can annotate its use with type annotations, if we so...

There are plenty of JDK 22 and 23 features in the language, API, and runtime to discuss - whether new, improved, or finalized. This deep dives goes over all of them.

More Done(ish)! Still waiting on all the reviews to come in, but initial feedback look good.

This week I attended the Jfokus software development conference in Stockholm, Sweden. I first went in 2011, and I have been back many times through the years. The conference has a Java focus (duh!), but many talks cover general topics … Continue reading →

Good news for Java developers: You can now experience WebForms Core technology in Java. Elanat has update the WebForms class for Java with the latest version of WebFormsJS, 1.6. The WebForms class on the server and the WebFormsJS library on the client constitute the WebForms Core technology. By usin...

Structured concurrency in Java and our first new course not focused on Spring. About time :) The post Java Weekly, Issue 580 first appeared on Baeldung.

Learn how to run an external JAR from Java program. The post Execute a JAR File From a Java Program first appeared on Baeldung.

Come to JavaOne 2025 to see some of the top Java experts from across the globe in-person!

Hi, Spring fans! In this installment we talk to Java and distributed database ninja Denis Magda about his new book, "Just Use Postgres!", which looks at how to wield Postgres for a variety of use cases that an application developer should know.

Today - Project Amber. And Kotlin - a lot of Kotlin.

On March 13, Azul and Java luminaries host a virtual event to celebrate 30 years of Java. We’re profiling one of our presenters, Marit Van Dijk. The post Marit Van Dijk Helps Celebrate 30 Years of Java appeared first on Azul | Better Java Performance, Superior Java Support.

Azul’s 2025 State of Java Survey & Report shows that the shift away from Oracle Java continues based on Oracle's employee-based pricing. The post State of Java Reveals The Great Oracle Java Migration Continues appeared first on Azul | Better Java Performance, Superior Java Support.

Table of Contents IndexHow It Works1. Define a Time Window2. Track Requests3. Remove Expired Entries4. Rate Limit CheckHow to Implement It with Redis and Java1. Log Each Request (If Allowed)2. Remove Expired Entries3. Count Requests in the Time WindowImplementing it ... The post Sliding Window Log R...

Tutorial on how to create a simple server using the ServerSocket class in Java. The post A Simple HTTP Server With Java ServerSocket first appeared on Baeldung.

This article first appeared in Programmez! Hors série #16 (in french only). The Java Virtual Machine (JVM) is an execution environment that enables programs written in Java (or other languages compiled into Java bytecode) to run on different operating systems and hardware architectures. From the beg...

Explore how Azul Platform Prime and AWS address stalled Java migrations to AWS and why they’re the ultimate duo for cloud success. The post Move Stalled Java Application Migrations to AWS appeared first on Azul | Better Java Performance, Superior Java Support.

On Thursday, March 13, Azul is hosting a virtual celebration of 30 years of Java, starting at 09:00 PST / 17:00 GMT / 18:00 CET. In addition to discussion panels, including a Friends of OpenJDK Panel with Marit Van Dijk, ... The post Join the Celebration of 30 Years of Java appeared first on foojay.

Java Type Annotations #4: Qualified Names and Nested Types In the Java Programming language, type annotations are those which can be applied to the use of a type. We use types whenever we declare a field in a Java class, for example. As a result, we can use type annotations to annotate the type of a...