Table of Contents What are Gatherers?Creating a GathererBuilt-in GaterersCreate your own GathererConclusionReferences Java is a programming language with many language features, specifications, and APIs. Even among experienced Java developers, being aware of all of these is quite rare. If a …
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Breaktime Tech Talks (Ep37): Vector Database Frustration + Microsoft LazyGraphRAG
Table of Contents Devnexus conference shout-outVector database explorationIssues getting up and runningOverall experienceMicrosoft LazyGraphRAGWrapping up! This is episode 37 of the Breaktime Tech Talks. You are listening to the Breaktime Tech Talks podcast, a bite-sized tech podcast for busy developers, …
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Java 24 Rolls Out Today! Find Out Why It’s Aptly Named
Java 24 rolls out today, and it brings a diverse set of features. For example, compact object headers bring better performance, and various security features have been added. Or how about the eagerly-awaited solution to virtual thread pinning? This post has all the info!
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Foojay Podcast #68: Welcome to OpenJDK (Java) 24
Table of Contents VideoPodcast (audio only)Read more about Java 24 on FoojayGuestsSimon RitterHanno EmbregtsContent We serve you a podcast about the new Java version every six months. Our regular guest, Simon Ritter, Deputy CTO of Azul, is known on social …
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Path Traversal Vulnerability in Deep Java Library (DJL) and Its Impact on Java AI Development
Table of Contents CVE-2025-0851 explainedAbsolute Path TraversalRemediation Deep Java Library (DJL) is an open source deep learning framework that brings AI capabilities to Java developers without requiring a shift to Python. It provides an intuitive, high-level API for building, training, …
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SummarizingTokenWindowChatMemory: Enhancing LLM’s Conversations with Efficient Summarization
Table of Contents SummarizingTokenWindowChatMemoryThe Summarizer InterfaceSummarization LogicLLM SummarizationWhy This MattersConclusion LLM chat models have become an integral part of many applications today. We are all experimenting and exploring the best ways to utilize them effectively. For Java developers, LangChain4j has …
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Spring Cloud Stream: Demystifying Event-Driven Architecture
Table of Contents Why Event-Driven Systems?What Are Event-Driven Systems?Key drivers:Why Now?The Architecture of Event-Driven SystemsKey BenefitsCommunication in MicroservicesPopular Message BrokersCloud-Based Messaging SystemsScaling and Fault Tolerance in Event-Driven SystemsFault Tolerance MechanismsReal-Time and Streaming DataStream Processing LibrariesChallenges of Event-Driven ArchitectureCAP Theorem and …
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Building local LLM AI-Powered Applications with Quarkus, Ollama and Testcontainers
Table of Contents Project Overview1. Integrating Quarkus with OllamaWhy Ollama?Quarkus and Ollama Integration2. Using Testcontainers for Integration TestingWhy Testcontainers?Example: Setting up a Testcontainer for OllamaKey Points:3. Leveraging Quarkus Dev Services for OllamaWhat Are Quarkus Dev Services?Configuring Dev ServicesDevelopment WorkflowConclusionKey Takeaways: …
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Java 24 : What’s New?
Table of Contents JEP 404: Generational Shenandoah (Experimental)JEP 450: Compact Object Headers (Experimental)JEP 472: Prepare to Restrict the Use of JNIJEP 475: Late Barrier Expansion for G1JEP 478: Key Derivation Function API (Preview)JEP 479: Remove the Windows 32-bit x86 PortJEP …
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Sliding Window Counter Rate Limiter (Redis & Java)
Table of Contents IndexHow It Works1. Define a Time Window2. Track Requests3. Remove Expired Intervals4. Rate Limit CheckHow to Implement It with Redis1. Track Requests by Sub-Interval2. Remove Expired Intervals3. Sum Counts for the Active WindowImplementing it with JedisAdd Jedis …
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Building a Declarative API with Spring AOP and SpEL
Table of Contents A story about legacyEvaluating SpEL expressionsImplementing the audit adviceTesting the audit aspectImprovementsFootnotes In this article, we’ll implement a declarative API to perform tasks belonging to cross-cutting concerns, using auditing as an example. We’ll see how SpEL and …
