Learn how to create reactive REST APIs with Micronaut and MongoDB.
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Creating a Kafka Listener Using the Consumer API
Learn how to create a Kafka listener and consume messages from a topic using Kafka’s Consumer API.
Working With HarperDB and Java
Discover Java’s support for HarperDB, a high-performing flexible NoSQL database with the power of SQL.
Splitting Streams in Kafka
Explore how to dynamically route messages in Kafka Streams.
Spring Boot 3.1’s ConnectionDetails Abstraction
Learn about the ConnectionDetails interface in Spring Boot 3.1.
How to Mock Environment Variables in Unit Tests
Learn how to write unit tests for code that uses environment variables with these Java testing libraries.
How to Reuse Testcontainers in Java
Learn how to reuse Testcontainers when setting up the environment for local development and testing.
Introduction to Apache Kafka
Learn the the basics of Apache Kafka.
Java Weekly, Issue 509
Virtual threads, Java 21, more switch enhancements, GraalOS, JVM stack size, and updating events in EDA!
Spring Boot Application on Liberica Runtime Container
A quick and practical guide to dockerizing a Spring Boot application on on Liberica Runtime Container.
CATALINA_OPTS vs. JAVA_OPTS in Apache Tomcat
A quick and practical comparison between CATALINA_OPTS and JAVA_OPTS in Apache Tomcat.
Query With IN Clause in Spring Data Cassandra
Learn how to implement the IN query clause using Spring Data Cassandra.
JSON File Data Into Kafka Topic
Explore the necessary steps to send JSON format data to the topic using a Kafka producer and consumer.
Java Weekly, Issue 506
Spring AI, no more N+1 problem, statement caching, streams with virtual threads, service mesh, and good by EC2 classic!
Built-in Testcontainers Support in Spring Boot
Learn about the enhanced Testcontainers support introduced in Spring Boot 3.1.
bootstrap-server in Kafka Configuration
Learn what bootstrap-server is in Kafka Configuration.
Java Weekly, Issue 503
The semantic kernel in Java, GC improvements in Java 21, sealed classes, project Leyden, async-profiler, and GenAI code assistance!
Quick Guide to YugabyteDB
Learn more about YugabyteDB through this quick guide with an usage example.
Java Weekly, Issue 494
Simplified SSL in Spring Boot, structured concurrency in Java 21, nulls in Collectors, XSS in Java, and WASM on Docker.