Java
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Spring Boot & Hibernate @PartitionKey Guide
In high-scale applications, partitioning your database tables can significantly improve performance and scalability. Hibernate provides support for partitioning with the…
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Serverless Java: When it Helps, When it Hurts, and How to Overcome the Limits
Java and serverless computing seem like an odd couple. Java’s enterprise heritage clashes with serverless’s demand for quick starts and…
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Apache Kafka for Edge Computing: Real-World Use Cases in 2025
Edge computing moved from buzzword to necessity. Devices generate data faster than networks can transmit it to the cloud. Apache…
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Global Test Initialization in JUnit 5
In testing frameworks, it is often necessary to perform some setup tasks before any test in the project is executed.…
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Testing Micrometer Metrics in Spring Boot Applications
Micrometer is a metrics collection library that provides a vendor-neutral API for instrumenting applications. In a Spring Boot environment, it…
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The Power of Java Stream API
Java 8 introduced the Stream API, and it fundamentally changed how we work with collections. Instead of writing verbose loops…
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Using TupleTransformer and ResultListTransformer in Hibernate
In Hibernate, developers often use native SQL queries or JPQL queries that return complex results — such as multiple columns…
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Event-Driven Architecture in Monoliths: Incremental Refactoring for Java Apps
The conventional wisdom suggests event-driven architecture belongs in microservices architectures, where services communicate asynchronously through message brokers. But some of…
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Preventing Jackson from Fetching Lazy Entity Fields Example
1. Introduction The Spring Boot JPA project uses Jackson for JSON serialization. When Jackson serializes a JPA entity, it can…
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