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Table of Contents What is API versioning?API Versioning In ActionImport the Project into your IntelliJ IDEAAnnotation-Based Approach In my previous article, I outlined a comprehensive list of features introduced in Spring Framework 7 and Spring Boot 4. In this series …

Table of Contents Finding usage of ThreadLocalThe TransactionSynchronizationManager classHow transactions use TransactionSynchronizationManagerWhat about Reactive transaction management?Discussion Two years ago, my friend José Paumard held the talk “Concurrent and Asynchronous Programming : Loom” at the Geneva Java User Group. In his …

Table of Contents The magic behind vector searchPrerequisitesEmbeddings with Voyage AIPreparing the datasetMongoDB Atlas Vector Search (index and retrieval)Building the movie search appConfiguring the applicationThe document modelWire the request DTOCommunicating with Voyage AIThe EmbeddingServiceQuerying with Spring Data Vector Search operationThe …

Table of Contents Managing Payara Server Just Got SmarterWhat Is the Payara Server Maven Plugin?Meet the AI Agent (Experimental)Demo #1 – Memory & Threads, in Plain EnglishWhat’s happening:Demo #2 – JDBC, JMX, and JMS Made EasyWhat’s happening:Configuring the AI AgentFinal …

Table of Contents Why Payara Starter ExistsWhat’s New in Payara StarterHow to Create Jakarta EE 11 Apps with Payara StarterWhy This Matters for Java Developers Jakarta EE 11 is here, bringing powerful new capabilities for enterprise Java developers. But getting …

Table of Contents 1. Use the MongoDB Kubernetes Operator2. StatefulSets and persistent volumes: Running MongoDB the right wayExample: Recommended multiple volume configuration3. Set CPU and memory resources for MongoDB and the OperatorMongoDB Kubernetes Operator: Plan for initial spikesMongoDB replica set …

Decades ago, I contributed to a very interesting project called SunSPOT at SUN Microsystems. It was a small device with wireless connectivity, built-in sensors, running on Java (compatible with runtime 1.6), and powered by battery. It enabled the design of …

Table of Contents How can Spring help?PrerequisitesCreating our appConnecting our databaseOur Book modelBook repositoryOur REST controllerCreateReadUpdateDeleteAdding DTOs and validationBookRequestBookResponseUpdating the controllerTesting the APIRun the APICreateReadUpdateDeleteConclusion REST has become the default choice for building web services, and for good reason. It’s …

Table of Contents Why Queryable Encryption?A quick look at Spring Data MongoDBUse case: HR system with encrypted fieldsSetting up the projectConfiguring dependencies and propertiesAdding mongodb-cryptApplication.yml configurationAccessing properties in the codeBuilding the application layersThe domain modelThe repositoryThe serviceThe controllerSetting up encryptionConfiguring …

Table of Contents GPT-5 is on top at every performance level and every price point… but it’s no speed demonPerformance by task lengthOther observationsImplications for buildersA Note on Reasoning Introducing the Brokk Power Ranking The Brokk Power Ranking is a …