Friends of OpenJDK

Friends of OpenJDK Today

foojay is a place for friends of OpenJDK, providing free, reference materials and blogs for daily Java usage.

Why Apache Pulsar and its support for streaming data is the right choice for multi-datacenter, geo-distributed deployments.

Almost all Java developers are familiar with logging frameworks like Log4j, but not the System.Logger that has been available since java 9.

Last weekend, FOSDEM 2022 was held, with the friends of OpenJDK putting together an awesome program on the tools and editors around OpenJDK.

Let's dive into the world of microservices find out the complexities, best practices, and troubles. I will share all my learnings, as well!

Let’s learn java stream API with a few practical examples.

Learn how to migrate existing Cassandra clusters to K8ssandra without downtime, leveraging flat networking.

Pretty much all Java developers are familiar with Spring Pet Clinic. Let's get to know the reactive implementation of it.

Feb 14, 2022 Shai Almog

I’m launching a new Twitter video series that will focus on teaching the concepts of debugging (and other concepts) in small video bites

Considering a fast data producer and a slow data consumer, backpressure "pushes back" on the producer, not to be overwhelmed by data.

Feb 10, 2022 Shai Almog

Java and JavaScript are garbage collected languages. But memory leaks can still plague them. How to avoid, detect, and fix heap problems?