Following on from FOSDEM discussions, let's expand on the problem of nullability and how it's solved in Kotlin and Java. The post Null Safety: Kotlin vs. Java appeared first on foojay. | Continue reading
The Hazelcast Serverless means that Hazelcast manages the cloud infrastructure for you. Each Viridian Serverless cluster is an independent deployment of Hazelcast Platform in a Kubernetes container. This design guarantees resource isolation, prevents resource stealing, and provid … | Continue reading
In this article, we're going to take a look at the Package Checker plugin, that's bundled with IntelliJ IDEA Ultimate! The post Package Checker: Find & Fix Vulnerabilities with IntelliJ IDEA Ultimate appeared first on foojay. | Continue reading
API Gateways are critical components in one's infrastructure. Here we list a couple of ways to secure your Apache APISIX admin access. The post Securing Admin Access to Apache APISIX appeared first on foojay. | Continue reading
Debugging over the network using JDWP isn't hard. However, there are risks that aren't immediately intuitive and some subtle solutions! The post Remote Debugging Dangers and Pitfalls appeared first on foojay. | Continue reading
Convert an existing MongoDB-connected service to use Spring Cloud Config for accessing database credentials, as with a Neo4j microservice. The post Journeys in Java, Level 8: Add MongoDB to Spring Cloud Config appeared first on foojay. | Continue reading
This is the first of a series on how Gradle works! For example, how does Gradle start up and how many JVMs are involved in a Gradle build? The post How Gradle Works: Startup appeared first on foojay. | Continue reading
Did you ever wonder whether JFR timestamps use the same time source as System.nanoTime? Come down the rabbit hole with me! The post JFR Timestamps and System.nanoTime appeared first on foojay. | Continue reading
How is a high-performance, low-latency Java application affected by the JVM version used? Find out more on Foojay! The post Which is the Fastest JVM: OpenJDK or GraalVM? appeared first on foojay. | Continue reading
Benefiting from a decade of work that went into original RIFE, the new RIFE2 provides an opinionated full stack web framework in a 2MB JAR. The post Getting Started with RIFE2 Java Web Framework v1.0.0 appeared first on foojay. | Continue reading
I’m happy to share Hazelcast will be kicking off 2023 by hosting #RTSPUnconf to connect with community members and industry experts on the Future of Real-Time Stream Processing. The post Announcing Real-time Stream Processing Unconference appeared first on foojay. | Continue reading
"What if Simon Ritter's Friends of OpenJDK keynote session at FOSDEM entitled 'After Nearly 30 Years, How Is Java So Popular?' ends up being held... in an empty room?" The post Foojay.io at FOSDEM 2023 Trip Report appeared first on foojay. | Continue reading
Last month we were in Dubai... and now we are on the other side of the world in the US to meet the people behind the Denver and Boulder JUG. The post Foojay Podcast #13: Denver and Boulder JUG appeared first on foojay. | Continue reading
Ever wondered how to use Firefox Profiler to view your own profiling data? This article gives you the foundations! The post Using Firefox Profiler Beyond the Web appeared first on foojay. | Continue reading
Allocation Pacing (AP) is a technique within the JVM of Azul Zulu Prime builds of OpenJDK to prevent long memory allocation delays. The post Explained: Memory Allocation Pacing in Azul Zulu Prime builds of OpenJDK appeared first on foojay. | Continue reading
Check out this overview of the functionality of the Garbage Collector and the things a developer should know. The post What Should I Know About Garbage Collection as a Java Developer? appeared first on foojay. | Continue reading
It isn't just about memory leaks. Understanding how RAM is used and its content provides insight into the app you can't get in any other way! The post Memory Debugging – a Deep Level of Insight appeared first on foojay. | Continue reading
Track thread race conditions, figure out deadlocks, and understand the flow of asynchronous applications (even in custom code) using the debugger. The post Debugging Threads and Asynchronous Code appeared first on foojay. | Continue reading
Ever wanted to profile your application directly from your IDE? Here comes the Java JFR Profiler plugin, an open-source plugin for IntelliJ! The post Firefox Profiler Beyond the Web appeared first on foojay. | Continue reading
An initial goal of Java was to “write once, run anywhere”, but does that mean we should not be sympathetic to the hardware? The post Why Core-to-Core Latency Matters appeared first on foojay. | Continue reading
CRaC is an OpenJDK project developed by Azul to solve the problem of "slow" startup times of the JVM in a microservice environment. The post How to Run a Java Application with CRaC in a Docker Container appeared first on foojay. | Continue reading
Learn how to stream data from Apache Pulsar into Hazelcast, where you learn how to process data in real time. The post Real-time Stream Processing with Hazelcast and StreamNative appeared first on foojay. | Continue reading
Following from the first part in this series, here is the next, from speakers who will be in the Foojay room at FOSDEM, Sunday, 5 February. The post More Foojay.io FOSDEM Speaker Predictions for 2023 appeared first on foojay. | Continue reading
Learn how to set up a service that hosts the Spring Cloud Config server and wire our Neo4j microservice as the config client service. The post Journeys in Java, Level 7: Externalize Microservice Configuration appeared first on foojay. | Continue reading
2023 has taken of with a flying start! Here is a summary of the Links Of The Week that were published in January on jfx-central.com. The post JavaFX Links of January 2023 appeared first on foojay. | Continue reading
SOAP's biggest flaw was its complexity and its focus on big companies, but it at least provided a shared set of standard specifications. The post Quest for REST appeared first on foojay. | Continue reading
Explore how solid-state drives (SSDs), the default storage medium for on-disk data, use garbage collection. The post How Java Litters Beyond the Heap: Part 3, Solid-State Drives appeared first on foojay. | Continue reading
An introduction into GetStackTrace, AsyncGetCallTrace, and the history and specification of AsyncGetStackTrace. The post AsyncGetStackTrace: A better Stack Trace API for the JVM appeared first on foojay. | Continue reading
In this article, you learn about the Modular Monolithic architecture and how you can create it using the Spring Framework and Gradle. The post Modular Monolithic in Practice appeared first on foojay. | Continue reading
…The Fewer the Words, the Greater the Profit.” And more wisdom and insight from Peter Lawrey, covering a range of development approaches. The post “The More You Say, the Less People Remember… appeared first on foojay. | Continue reading
Java bytecode can be updated and controlled for many reasons, such as adding new features, instrumenting code for performance monitoring. The post Java Bytecode Simplified: Journey to the Wonderland (Part 3) appeared first on foojay. | Continue reading
Security matters! Learn how to configure Vaadin and Spring Security to use OAuth2 with Keycloak on Foojay.io Today! The post Vaadin, OAuth2, and Keycloak appeared first on foojay. | Continue reading
In this podcast, we are talking to some of the key people working on different IDEs, Integrated Development Environments. The post Foojay Podcast #12: State and Future of the IDEs appeared first on foojay. | Continue reading
FOSDEM is around the corner and a group of great speakers is lined up to talk about the OpenJDK -- see what they predict for 2023! The post Foojay.io FOSDEM Speaker Predictions for 2023 appeared first on foojay. | Continue reading
On from good times in 2022 and 2021, we have a really great schedule with inspiring speakers for FOSDEM in Brussels, on Sunday, February 5! The post Friends of OpenJDK Schedule at FOSDEM 2023 appeared first on foojay. | Continue reading
Kafka benchmarks aim to discuss low latency characteristics of Kafka. Instead, they appear to be configured for throughput rather than low latency. The post How Does Kafka Perform When You Need Low Latency? appeared first on foojay. | Continue reading
Learn from scratch about how to get started releasing a Java module with JReleaser to Maven Central with Github Actions. The post How to Release a Java Module with JReleaser to Maven Central with GitHub Actions appeared first on foojay. | Continue reading
In this interactive tutorial and educational project, you'll learn about JUnit internals and the usage of Java annotations and reflection. The post JTest: Roll Out Your Own JUnit-Like Testing Framework appeared first on foojay. | Continue reading
In this Foojay Podcast episode, we talk about Ted Neward's predictions, and an analogy between Twitter and Java! The post Foojay Podcast #11: Looking Back to 2022 and Predictions for 2023 appeared first on foojay. | Continue reading
I will run a book giveaway promotion on the Code Ranch on January 17th. Be sure to be there and let your friends know. It would be great to answer your questions about debugging. I'm very excited by this and ... The post Debugging Streams and Collections appeared first on foojay. | Continue reading
It's been a big week. I'm currently reviewing the final draft of my upcoming debugging book. This is always a sobering, and exciting moment. A moment in which all of a sudden all the months of work become "real". I ... The post The Massive Hidden Power of Breakpoints appeared fir … | Continue reading
How do profilers like async-profiler work? How to write your own? This is the second part, covering wall-clock profiling. The post Writing a Profiler from Scratch: The Profiling Loop appeared first on foojay. | Continue reading
org.yaml:snakeyaml package is widely used in the Java ecosystem, in part because it is packaged by default in the spring-boot-starter. The post Unsafe Deserialization Vulnerability in SnakeYaml (CVE-2022-1471) appeared first on foojay. | Continue reading
Learn why when you use hyper-optimized Java runtimes instead of vanilla OpenJDK you do less tuning and debugging! The post Why Your Choice of Java Virtual Machine (JVM) Matters More Than Ever appeared first on foojay. | Continue reading
About 400x more instances can be run on the same hardware with Chronicle Queue for specific latency-sensitive EDA applications. The post How to Reduce Cloud Cost by 99% for EDA Kafka Applications appeared first on foojay. | Continue reading
Learn why developers may not write or give talks and how sharing knowledge and experiences can improve communication skills, and much more! The post Why Many Developers Don’t Write or Give Talks and How to Overcome Challenges appeared first on foojay. | Continue reading
JTest - Roll out your own JUnit-like testing framework This an interactive tutorial as well as an educational project that helps with your understanding of: (oversimplified) internals of JUnit usage of Java annotation and reflection You are given minimum starter ... The post appe … | Continue reading
Learn the different ways in which we can view our project's dependencies in IntelliJ IDEA, and the different focus for each view. The post Managing Dependencies in IntelliJ IDEA appeared first on foojay. | Continue reading