Table of Contents Pre-requisitesRelational MigratorMigrating the data from the PostgreSQL schema to MongoDBAnalysing the Postgres schemaCreating mappings to generate the equivalent MongoDB schemaMigrating the data into MongoDBCode generation with Relational MigratorBuilding Spring Boot applicationExamples of aggregation pipelinesConclusion Imagine this: You’re …
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Prime Time: The High Performance Java Event
Java is the engine behind mission-critical applications and end user experiences. From faster response times to consistent performance, Java can have a significant impact on business results and cloud costs. Join Azul and leading voices from the Java community for …
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CAP in the Pocket: Developing Java Applications on your Phone
Smartphones are more powerful then ever, with processors rivaling old laptops. So let’s try to use them like a laptop to develop web-applications on the go. Below I’ll show you how to do use run and develop a CAP Java …
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Carbon Aware Job Processing With JobRunr v8
Table of Contents What is JobRunr?Carbon Aware Job ProcessingCarbon Aware ConfigurationWhat If There Is No Forecast?Conclusion As we produce, mutate, configure, and consume more and more data in various shapes and forms, think: video on demand, AI ingestion and generation …
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When ReadyNow Can Only Compile on Traffic Loads
Table of Contents Compilation only happens on traffic loadsReadyNow waits for class loadingHow to fix this?Identifying the problemCalling the identified codeReadiness checkExample with Spring PetclinicRun without a ReadyNow profileRun with a ReadyNow profileGenerational ReadyNow profilesResultConclusion This is the fifth and …
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Data Modeling for Java Developers: Structuring With PostgreSQL and MongoDB
Table of Contents Relationships in databasesOne-to-one relationshipOne-to-many relationshipMany-to-many relationshipRelational vs. document databasesPostgres implementation with JavaMongoDB implementation with JavaScalability and performanceMigration considerationsRethinking schema designReplacing joins with aggregationsConclusion Application and system designs have always been considered the most essential step in application …
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Java 21+ Not Working on the Raspberry Pi Zero 2
Table of Contents Problem on Raspberry Pi Zero 2Differences Between RPi Zero 2 and RPi 4Changes in Java 21WorkaroundCompare Boards This story is about how “Write Once, Run Anywhere” got broken in a specific use case. It reveals the complexity …
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Kotlin adoption inside ING, five years later
Table of Contents The share of Kotlin code at INGLooking at trends over timeHow many flavors does a repository contain?And what about newer projects?A message from the communityA word of conclusion TL;DR: Five years after its introduction Kotlin adoption inside …
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Java Virtual Threads in Action: Optimizing MongoDB Operation
Table of Contents PrerequisitesStep 1: Create the Product entityStep 2: Create the ServiceStep 3: Expose the Camera APIStep 4: Build and run the applicationStep 5: Test the APIConclusion Virtual threads have become one of the most popular resources in Java …
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Improve Your Java Applications’ Startup and Compilation Speed with Optimizer Hub
Table of Contents What is Optimizer Hub?Is Optimizer Hub required to use ReadyNow?Advantages of using ReadyNow OrchestratorMore advantages of Optimizer HubConclusion This is the fourth blog post in a series on faster Java application warmup with ReadyNow. If you haven’t …
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Build a Sentiment Analysis API in Java with Quarkus and Local LLMs
Table of Contents What You’ll BuildPrerequisitesBootstrap Your Quarkus ProjectConfigure Ollama and Dev ServicesDefine the Sentiment EnumCreate the AI Classification ServiceExpose the Sentiment APIRun It!Test It!Final ThoughtsWhat’s Next? In a world full of opinions, tweets, reviews, chats, emails, understanding the tone …
