Table of Contents Understanding LangChain4j GuardrailsSetting Up a Spring Boot Project with LangChain4jImplementing Input GuardrailsContent Safety Input GuardrailSmart Context-Aware GuardrailIntelligent Input SanitizerImplementing Output GuardrailsProfessional Tone Output GuardrailHallucination Detection GuardrailTesting Your GuardrailsCreating AI Services with GuardrailsRest endpointDemoConclusion As AI applications become …
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Java’s Structured Concurrency: Finally Finding Its Footing
Table of Contents What Actually Changed This TimeThe Core Concept Remains StrongThe headline change: static factory methodsJoiners: pick your success policyRolling your own JoinerBetter cancellation and deadlinesScoped values ride alongGuard-rails against misuseObservability improvementsSome more examples to try outFinal thoughts The …
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Building FormPilot: My Journey Creating an AI-Powered Form Filler with RAG, LangChain4j, and Ollama
Table of Contents The InspirationThe ArchitectureGetting Started: Setting Up Your EnvironmentPart 1: Installing and Running Ollama LocallyPart 2: Creating the Spring Boot Project via Spring InitializrImplementing RAG with LangChain4jThe Magic of LangChain4j’s @AiServiceIntegrating with OllamaBuilding the Chrome ExtensionSetting up the …
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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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Java Tips # 01 – Writing Shebang Scripts in Pure Java
Table of Contents Getting StartedKey Point: Shebang LineMake It ExecutableBonus Tip: Running From Anywhere Did you know you can write a CLI script in Java just as easily as you would in a bash script, and run it directly from …
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Interview with a Java Champion: Reflections on a Storied Career and Insights for the Next Generation
Java Champion Ben Evans shares his journey, insights on Java’s evolution, and advice for developers in this insightful interview.
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Creating a Command Line Tool with JBang and PicoCLI to Generate Release Notes
Learn how to create a Java command-line tool with JBang and PicoCLI to automate generating release notes from GitHub.
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Unsafe is Finally Going Away: Embracing Safer Memory Access with JEP 471
Java’s sun.misc.Unsafe is being phased out. Learn safer memory access using VarHandle and Foreign Function & Memory API to keep your applications secure and up-to-date.
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Exploring New Features in JDK 23: Simplifying Java with Module Import Declarations with JEP 476
JEP 476 represents a significant step towards simplifying Java programming by reducing boilerplate code and improving readability.
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Exploring New Features in JDK 23: Simplifying Java with Primitive Type Patterns with JEP 455
How JEP 455 can be utilized to handle complex decision-making scenarios more efficiently. We’ll examine a practical example to illustrate the benefits of this feature.
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Records for Cleaner and More Expressive Parameterized Tests in JUnit 5
Let’s examine how to leverage Java records for parameterized tests through a concrete example – testing an expression evaluator.