Apache Spark is a multi-language engine for executing data engineering, data science, and machine learning on single-node machines or clusters. Big data is a term that describes large, hard-to-manage ...

Learn how to use advanced techniques like short-circuiting, parallel execution, virtual threads, and stream gatherers to maximize Java stream performance. My recent Java Stream API tutorial introduced ...

Let me be brutally honest with you. I've interviewed 200+ Java freshers in the past year. Out of those, only 23 got job offers from our company. The gap between "knowing Java" and "being job-ready in ...

MicroRaft is a feature-complete and stable open-source implementation of the Raft consensus algorithm in Java. It is a single lightweight JAR file of a few hundred KBs of size. It can be used for ...

“What You Should Actually Learn (and Skip) to Stay Relevant as a Java Developer in 2026” “Do I need to learn Spring Boot first? Should I master DSA or jump into Kafka? Is Java still in demand in 2026?

Community driven content discussing all aspects of software development from DevOps to design patterns. Primitive types represent the simplest, most direct way to represent data in code. Even the most ...

In the first article in this series, we saw how to build OSGi bundles, register services, build simple dependencies on other bundles, and look up services from other OSGi bundles. However, it's not ...