How to Use GitHub Search Effectively

GitHub is far more than just a platform for hosting code. It is a vast and constantly evolving collection of…

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Java Sock Merchant Problem: Solutions with Arrays and HashSets

The Sock Merchant problem is an algorithm challenge that tests our ability to work with arrays, counting, and basic data…

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Understanding OAuth 2.0 Token Exchange

In modern software architectures, especially microservices-based systems, authentication is no longer a simple “login once, use everywhere” problem. A single…

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Spring AI Explainable Agents: Capture LLM Tool Call Reasoning

Explainable AI agents aim to make the decision-making process of large language models (LLMs) transparent, especially when tools are invoked…

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Spring AI: Testing MCP Tools

Testing Model Context Protocol (MCP) tools in Spring AI is essential to ensure that tools are correctly registered, discoverable, and…

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Building Read-Write Database Routing in Spring Boot with JPA

Enterprise applications often require the separation of database workloads to improve performance and scalability. Read operations can be directed to…

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Resolving the “Validation Failed for Query for Method” Error in Spring Data JPA

This article explains how to diagnose and resolve the error “Validation failed for query for method” in Spring Data JPA.…

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Getting Started with TOON Format in Java

Token-Oriented Object Notation (TOON) is a modern data serialization format designed to represent structured data in a compact, human-readable, and…

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A Guide to Exporting and Backing Up H2 Databases

Data protection is a critical aspect of application development. Applications that rely on embedded databases, such as the H2 Database…

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