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Spring Boot

4575 articles · Page 17 of 46
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 9, 2025 · Backend Development

Spring Boot 3 Security Tutorial: AOP, Custom Annotations & JWT

This article presents a continuously updated collection of over 100 Spring Boot 3 practical cases, demonstrating how to implement permission authentication using Spring AOP, custom annotations, JWT utilities, interceptors, a global exception handler, a security context, and a custom argument resolver, complete with test examples and screenshots.

AOPJWTJava
0 likes · 12 min read
Spring Boot 3 Security Tutorial: AOP, Custom Annotations & JWT
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 8, 2025 · Backend Development

Simplify Spring Boot 3 HTTP Calls with RestTemplateAdapter & RestClientAdapter

An extensive Spring Boot 3 case collection featuring over 100 practical examples is now available, accompanied by a detailed tutorial that demonstrates how RestTemplateAdapter and RestClientAdapter simplify HTTP request handling, improve code readability, and ensure seamless integration with third‑party APIs, with a commitment to permanent updates.

HTTPJavaRestClientAdapter
0 likes · 8 min read
Simplify Spring Boot 3 HTTP Calls with RestTemplateAdapter & RestClientAdapter
Java Backend Technology
Java Backend Technology
Mar 8, 2025 · Backend Development

How to Merge Concurrent Requests in Spring Boot and Save Database Connections

This article explains how to batch multiple user‑info requests on the server side, merge them into a single SQL query using a blocking queue and ScheduledThreadPoolExecutor, and return the results individually, thereby reducing database connection usage and improving performance under high concurrency.

Batch ProcessingCompletableFutureJava concurrency
0 likes · 13 min read
How to Merge Concurrent Requests in Spring Boot and Save Database Connections
Java Architect Essentials
Java Architect Essentials
Mar 7, 2025 · Artificial Intelligence

Introducing DeepSeek4j 1.4: A Java Spring Boot Integration for DeepSeek AI with Chain‑of‑Thought and Streaming Support

The article introduces DeepSeek4j 1.4, a Java Spring Boot library that overcomes existing framework limitations by preserving DeepSeek's chain‑of‑thought capabilities, adding full reactive streaming, and providing a simple one‑line API along with quick‑start instructions and code examples.

AI IntegrationDeepSeekJava
0 likes · 5 min read
Introducing DeepSeek4j 1.4: A Java Spring Boot Integration for DeepSeek AI with Chain‑of‑Thought and Streaming Support
Java Tech Enthusiast
Java Tech Enthusiast
Mar 7, 2025 · Backend Development

Implementing a Responsibility Chain Pattern with Spring Boot and MyBatis Plus

The article demonstrates how to build a dynamic Chain of Responsibility in a Spring Boot and MyBatis‑Plus application by defining an abstract handler, implementing concrete @Component beans that modify a shared Lombok‑based context, retrieving them via an ApplicationContext‑aware proxy utility, and invoking them in a client‑specified order through a REST endpoint, while suggesting LiteFlow as a production alternative.

Design PatternJavaMyBatis-Plus
0 likes · 9 min read
Implementing a Responsibility Chain Pattern with Spring Boot and MyBatis Plus
JD Tech Talk
JD Tech Talk
Mar 7, 2025 · Fundamentals

1. Introduction to SPI

This article introduces Java's Service Provider Interface (SPI) mechanism, explaining its role in decoupling interface definitions from implementations, with examples in JDBC, Spring Boot, and Dubbo.

JDBCJava SPIJava fundamentals
0 likes · 11 min read
1. Introduction to SPI
macrozheng
macrozheng
Mar 6, 2025 · Backend Development

Dynamic Service Switching in Spring Boot Using spring‑smart‑di

This article explains how to implement dynamic switching of service implementations in a Spring Boot application by leveraging the spring‑smart‑di library, covering configuration setup, custom annotations, and code examples that enable runtime changes without restarting the service.

Dependency InjectionSpring Bootdynamic-configuration
0 likes · 8 min read
Dynamic Service Switching in Spring Boot Using spring‑smart‑di
Architecture Digest
Architecture Digest
Mar 5, 2025 · Backend Development

Understanding Java Virtual Threads and Their Performance Benefits in Spring Boot

This article introduces Java 21's virtual threads, explains their lightweight and high‑concurrency advantages, demonstrates basic and delayed usage with code examples, shows how to enable them in Spring Boot, compares performance against traditional threads, and offers additional Java performance‑tuning techniques.

ConcurrencyJavaJava 21
0 likes · 7 min read
Understanding Java Virtual Threads and Their Performance Benefits in Spring Boot
Java High-Performance Architecture
Java High-Performance Architecture
Mar 5, 2025 · Backend Development

Unlock Massive Concurrency: How Java 21 Virtual Threads Supercharge Spring Boot

Java 21’s virtual threads provide lightweight, high‑concurrency execution managed by the JVM, enabling developers to create hundreds of thousands of threads with minimal overhead; this article explains their basics, demonstrates Spring Boot integration, compares performance against traditional threads, and shares additional Java optimization techniques.

ConcurrencyJavaPerformance
0 likes · 8 min read
Unlock Massive Concurrency: How Java 21 Virtual Threads Supercharge Spring Boot
macrozheng
macrozheng
Mar 5, 2025 · Backend Development

How to Merge Concurrent Requests in Spring Boot to Save Database Connections

This article explains how to combine multiple simultaneous user requests on the server side using a queue, scheduled thread pool and CompletableFuture in Spring Boot, reducing database connections while handling high concurrency, and discusses implementation details, testing, and potential pitfalls.

Batch ProcessingConcurrencySpring Boot
0 likes · 15 min read
How to Merge Concurrent Requests in Spring Boot to Save Database Connections
Pan Zhi's Tech Notes
Pan Zhi's Tech Notes
Mar 5, 2025 · Backend Development

Spring Cloud Ribbon: Hands‑On Guide to Client‑Side Load Balancing

This article walks through the background of Spring Cloud Ribbon, explains its client‑side load‑balancing role, provides step‑by‑step code to create multiple provider services and a consumer that uses Ribbon, and shows how to configure different balancing algorithms and retry mechanisms.

EurekaRibbonSpring Boot
0 likes · 12 min read
Spring Cloud Ribbon: Hands‑On Guide to Client‑Side Load Balancing
Architect
Architect
Mar 4, 2025 · Backend Development

Apache Tika: Extract Multi-Format Content & Detect Sensitive Data in Spring Boot

This article introduces Apache Tika's capabilities for parsing a wide range of file formats, automatic type detection, OCR and language detection, then demonstrates how to integrate Tika into a Spring Boot service to extract text and identify sensitive information such as ID numbers, credit cards, and phone numbers.

Apache TikaContent ExtractionFile Parsing
0 likes · 22 min read
Apache Tika: Extract Multi-Format Content & Detect Sensitive Data in Spring Boot
macrozheng
macrozheng
Mar 4, 2025 · Backend Development

How to Implement Data Isolation in Spring Boot with MyBatis and JSqlParser

This article explains how to achieve data isolation in a Spring Boot application by creating a MyBatis interceptor that uses JSqlParser to parse and modify SQL statements at the prepare stage, covering tool introductions, dependency setup, interceptor code, testing examples, and the reasoning behind intercepting the prepare method.

Data IsolationJSqlParserMyBatis
0 likes · 14 min read
How to Implement Data Isolation in Spring Boot with MyBatis and JSqlParser
Architect's Guide
Architect's Guide
Mar 4, 2025 · Backend Development

Implementing Multi‑Tenant Architecture with Spring Boot and Spring Cloud

This article explains the concepts, advantages, design choices, database strategies, and step‑by‑step implementation of a multi‑tenant system using Java Spring Boot and Spring Cloud, including code samples for data sources, dynamic routing, and tenant management in cloud environments.

JavaSpring BootSpring Cloud
0 likes · 13 min read
Implementing Multi‑Tenant Architecture with Spring Boot and Spring Cloud
macrozheng
macrozheng
Mar 3, 2025 · Artificial Intelligence

Integrate DeepSeek with Spring AI: Step‑by‑Step Spring Boot Guide

This tutorial walks you through integrating DeepSeek via Spring AI into a Spring Boot project, covering Spring AI basics, obtaining an API key, adding dependencies and configuration, implementing controller endpoints, testing with Postman, and accessing the full source code.

AI IntegrationDeepSeekSpring AI
0 likes · 7 min read
Integrate DeepSeek with Spring AI: Step‑by‑Step Spring Boot Guide
Code Ape Tech Column
Code Ape Tech Column
Mar 3, 2025 · Backend Development

Understanding CQRS and Implementing It with Spring Microservices

This article explains the CQRS pattern, its origins, benefits, and challenges, and provides a step‑by‑step guide with Java code examples on how to implement CQRS, event sourcing, and asynchronous communication using Spring Boot, Axon, and Kafka in microservice architectures.

CQRSEvent SourcingJava
0 likes · 12 min read
Understanding CQRS and Implementing It with Spring Microservices
Pan Zhi's Tech Notes
Pan Zhi's Tech Notes
Mar 3, 2025 · Backend Development

Understanding Spring Cloud Eureka Architecture and Building a High‑Availability Cluster – A Hands‑On Guide

This article explains the core concepts of Spring Cloud Eureka, demonstrates how to create a Eureka server, a provider, and a consumer with full code examples, and shows how to configure a two‑node and multi‑node Eureka cluster for high availability in micro‑service environments.

EurekaSpring BootSpring Cloud
0 likes · 13 min read
Understanding Spring Cloud Eureka Architecture and Building a High‑Availability Cluster – A Hands‑On Guide
Xuanwu Backend Tech Stack
Xuanwu Backend Tech Stack
Mar 3, 2025 · Backend Development

Implement Custom Annotations in Spring Boot for Logging, Security & Caching

This guide explains common scenarios for using custom Java annotations—such as logging, permission control, data validation, and caching—and walks through the step-by-step process of defining an annotation, applying it in Spring services, handling it with an AOP aspect, and testing the implementation in a Spring Boot application.

AOPCustom AnnotationsJava
0 likes · 7 min read
Implement Custom Annotations in Spring Boot for Logging, Security & Caching
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Mar 2, 2025 · Backend Development

Master Java Stream Tricks: Null Handling, Infinite Streams & Collectors

This article showcases a collection of over 100 practical Spring Boot 3 examples, focusing on modern Java Stream techniques such as Stream.ofNullable for null safety, Stream.iterate for infinite sequences, advanced collectors like collectingAndThen, takeWhile/dropWhile, teeing, and summarizingLong, each illustrated with concise code snippets.

JavaSpring BootStream API
0 likes · 7 min read
Master Java Stream Tricks: Null Handling, Infinite Streams & Collectors
macrozheng
macrozheng
Feb 28, 2025 · Backend Development

Mastering Two-Level Cache in Spring Boot: Caffeine + Redis Integration

This article explains how to build a two‑level cache architecture using Caffeine as a local cache and Redis as a remote cache in a Spring Boot project, covering manual implementation, Spring cache annotations, and a custom AOP‑based solution while discussing advantages, consistency challenges, and best‑practice code examples.

Cache ManagementCaffeineRedis
0 likes · 20 min read
Mastering Two-Level Cache in Spring Boot: Caffeine + Redis Integration
Code Ape Tech Column
Code Ape Tech Column
Feb 28, 2025 · Backend Development

Spring Boot Packaging with Maven Assembly Plugin and a Deployment Shell Script

This article explains how to configure Maven profiles for different environments, use the maven‑assembly‑plugin and maven‑jar‑plugin to create a zip deployment package for a Spring Boot application, and provides a reusable shell script (shenniu_publish.sh) for extracting, starting, stopping, and restarting the service on Linux.

BackendMavenSpring Boot
0 likes · 13 min read
Spring Boot Packaging with Maven Assembly Plugin and a Deployment Shell Script
Pan Zhi's Tech Notes
Pan Zhi's Tech Notes
Feb 28, 2025 · Cloud Native

Spring Cloud Quick‑Start Guide: Getting Started with Microservices

This article introduces Spring Cloud's background, core components (including first‑ and second‑generation modules derived from Netflix OSS), versioning scheme, compatibility with Spring Boot, and practical advice for selecting matching releases to avoid runtime issues in microservice projects.

Netflix OSSSpring BootSpring Cloud
0 likes · 12 min read
Spring Cloud Quick‑Start Guide: Getting Started with Microservices
Su San Talks Tech
Su San Talks Tech
Feb 28, 2025 · Backend Development

How to Solve CORS Errors: Practical Frontend and Backend Strategies

This article explains why browsers block cross‑origin requests due to the Same‑Origin Policy, then walks through six practical solutions—including CORS headers, JSONP, Nginx reverse proxy, API gateways, WebSocket, and postMessage—providing code examples for both frontend and Spring Boot backend configurations.

CORSCross-OriginJSONP
0 likes · 9 min read
How to Solve CORS Errors: Practical Frontend and Backend Strategies
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 28, 2025 · Backend Development

Mastering Spring Cloud Alibaba Sidecar: Integrate Heterogeneous Microservices Seamlessly

This guide explains how to use Spring Cloud Alibaba Sidecar to integrate heterogeneous microservices, covering its principles, configuration, health‑check setup, and a complete hands‑on example with Spring Boot services, Sidecar registration, Nacos discovery, and RestTemplate calls, while guaranteeing permanent updates for subscribers.

NacosSpring BootSpring Cloud Alibaba
0 likes · 8 min read
Mastering Spring Cloud Alibaba Sidecar: Integrate Heterogeneous Microservices Seamlessly
macrozheng
macrozheng
Feb 27, 2025 · Information Security

Master One-Time Token Login with Spring Security 6.4: A Step-by-Step Guide

This guide explains Spring Security 6.4’s one-time token login feature, covering its concept, authentication flow, core components, and step‑by‑step implementation with code samples, enabling developers to add secure magic‑link authentication to Spring Boot applications.

Backend SecurityMagic LinkSpring Boot
0 likes · 7 min read
Master One-Time Token Login with Spring Security 6.4: A Step-by-Step Guide
Java Architect Essentials
Java Architect Essentials
Feb 27, 2025 · Backend Development

How to Enforce Login Attempt Limits with Spring Boot, Redis, and Lua Scripts

This article walks through the problem of locking out users after multiple failed login attempts, explains why IP‑based locking with Redis and Lua scripts is effective, and provides a complete Spring Boot implementation—including front‑end HTML, custom annotations, AOP aspect, Redis configuration, and sample controller code—to enforce a configurable login‑attempt limit.

BackendJavaLogin Rate Limiting
0 likes · 18 min read
How to Enforce Login Attempt Limits with Spring Boot, Redis, and Lua Scripts
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 27, 2025 · Backend Development

How to Log SQL Statements in Spring Boot 3 Using JDBC, JPA, MyBatis & datasource-proxy

This article announces a Spring Boot 3 case collection with 100 permanent examples and then provides a comprehensive guide on recording SQL statements in Spring Boot applications via JDBC, JPA, MyBatis and the datasource‑proxy library, including configuration snippets, code samples and visual output illustrations.

DataSource ProxyJDBCJPA
0 likes · 8 min read
How to Log SQL Statements in Spring Boot 3 Using JDBC, JPA, MyBatis & datasource-proxy
Top Architecture Tech Stack
Top Architecture Tech Stack
Feb 27, 2025 · Fundamentals

Understanding the Facade Design Pattern and Its Application in Spring Boot

This article explains the Facade design pattern, illustrating its purpose of simplifying complex systems with real‑world analogies, detailing its benefits, showing UML class diagram relationships, and providing a comprehensive Spring Boot example that encapsulates flight, hotel, and package services behind a BookingFacade, while also including promotional content for IDE licenses.

Code MaintainabilityDependency InjectionDesign Patterns
0 likes · 15 min read
Understanding the Facade Design Pattern and Its Application in Spring Boot
Lobster Programming
Lobster Programming
Feb 27, 2025 · Fundamentals

Why Garbled Characters Appear: Exploring ASCII, GB2312, GBK & Unicode

This article explains how character encoding works—from ASCII and its extensions to Chinese GB2312 and GBK, through Unicode's UCS‑2, UCS‑4, and the versatile UTF‑8—showing why mismatched encodings produce garbled text and why UTF‑8 is the default in Spring Boot.

ASCIICharacter EncodingGB2312
0 likes · 9 min read
Why Garbled Characters Appear: Exploring ASCII, GB2312, GBK & Unicode
Architecture Digest
Architecture Digest
Feb 26, 2025 · Artificial Intelligence

DeepSeek4j 1.4: A Java Integration Framework for DeepSeek AI Models

DeepSeek4j 1.4 introduces a Java‑native framework that fully preserves DeepSeek's chain‑of‑thought and billing features, adds reactive streaming support, and provides a Spring Boot starter for effortless integration, accompanied by quick‑start code, configuration examples, and a built‑in debugging UI.

AIAPIDeepSeek
0 likes · 5 min read
DeepSeek4j 1.4: A Java Integration Framework for DeepSeek AI Models
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 26, 2025 · Backend Development

Mastering Optimistic Locking in Spring Boot 3: From Pitfalls to Proven Solutions

This article examines the challenges of using JPA optimistic locking for inventory deduction under high concurrency, demonstrates why naive retry logic can cause deadlocks and stale data, and walks through five progressively refined implementations that resolve transaction, caching, and isolation issues.

ConcurrencyJPAOptimistic Locking
0 likes · 13 min read
Mastering Optimistic Locking in Spring Boot 3: From Pitfalls to Proven Solutions
Selected Java Interview Questions
Selected Java Interview Questions
Feb 25, 2025 · Backend Development

Integrating URule Rule Engine with Spring Boot: Installation, Configuration, and Practical Examples

This article introduces the URule rule engine, explains its core concepts, shows how to install and configure it in a Spring Boot project, demonstrates library definitions, rule set creation (wizard and script modes), decision table usage, and provides real‑world scenario code examples for backend developers.

BackendConfigurationJava
0 likes · 15 min read
Integrating URule Rule Engine with Spring Boot: Installation, Configuration, and Practical Examples
Java Web Project
Java Web Project
Feb 25, 2025 · Artificial Intelligence

How DeepSeek4j 1.4 Solves Spring AI’s Chain‑of‑Thought and Streaming Gaps

The article explains why existing Java AI frameworks struggle with DeepSeek R1’s chain‑of‑thought and streaming features, introduces DeepSeek4j 1.4 as a targeted solution, details its core capabilities, and provides a step‑by‑step guide to integrate it with Spring Boot and Project Reactor.

AI IntegrationDeepSeekJava
0 likes · 5 min read
How DeepSeek4j 1.4 Solves Spring AI’s Chain‑of‑Thought and Streaming Gaps
Top Architect
Top Architect
Feb 25, 2025 · Backend Development

Understanding Tomcat Configuration and Thread Pool Parameters in Spring Boot 2.7.10

This article explains the default Tomcat settings in Spring Boot 2.7.10, details core parameters such as connection queue length, max connections, thread pool sizes, keep-alive and timeout options, and demonstrates how to inspect and test these configurations with code examples and command-line tools.

JavaSpring BootThread Pool
0 likes · 16 min read
Understanding Tomcat Configuration and Thread Pool Parameters in Spring Boot 2.7.10
Pan Zhi's Tech Notes
Pan Zhi's Tech Notes
Feb 25, 2025 · Backend Development

Build a Code Generator from Scratch: Boost Development Efficiency 10×

This article walks through creating a fully automated Spring Boot and MyBatis code generator using Freemarker templates, detailing each step from extracting table metadata to generating DAO, service, controller, and entity classes, and shows how a single-table CRUD can be produced in seconds.

JavaMyBatisSpring Boot
0 likes · 25 min read
Build a Code Generator from Scratch: Boost Development Efficiency 10×
Java Web Project
Java Web Project
Feb 23, 2025 · Artificial Intelligence

Build Your First AI Chatbot with Spring Boot and DeepSeek LLM

This guide walks you through creating a Spring Boot project, configuring DeepSeek's large language model via SiliconFlow, setting up OpenAI‑compatible parameters, and implementing a REST controller that returns weather forecasts using the model, complete with step‑by‑step code snippets, configuration files, and deployment instructions.

AIDeepSeekJava
0 likes · 7 min read
Build Your First AI Chatbot with Spring Boot and DeepSeek LLM
Java Architect Essentials
Java Architect Essentials
Feb 23, 2025 · Backend Development

Designing a Modular Spring Boot Backend Management Project (XiaoLe)

This article explains how to design a modular Spring Boot backend management system called XiaoLe, covering essential design principles such as single responsibility, high cohesion, low coupling, reusability, clear interfaces, layered architecture, and testability, and provides detailed Maven module structures and POM configurations for each component.

JavaMavenSpring Boot
0 likes · 14 min read
Designing a Modular Spring Boot Backend Management Project (XiaoLe)
Top Architect
Top Architect
Feb 21, 2025 · Artificial Intelligence

DeepSeek4j 1.4: Java Integration Framework for DeepSeek with Full Chain‑of‑Thought and Streaming Support

The article introduces DeepSeek4j 1.4, a Java‑based framework that overcomes Spring AI’s limitations by fully preserving DeepSeek’s chain‑of‑thought and billing features, adding reactive streaming, providing Spring Boot starter integration, and offering quick‑start code samples and configuration guidance.

AIDeepSeekJava
0 likes · 8 min read
DeepSeek4j 1.4: Java Integration Framework for DeepSeek with Full Chain‑of‑Thought and Streaming Support
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 21, 2025 · Backend Development

Master Spring Boot 3 Config: @ConfigurationProperties, Constructor Binding & Default Values

This article introduces a comprehensive Spring Boot 3 case collection and provides a detailed guide on using @ConfigurationProperties, constructor binding, @DefaultValue, and record types for type‑safe configuration, including examples of nested properties, collections, and default values, while promising ongoing updates and free source code for subscribers.

@ConfigurationPropertiesDefaultValueJava
0 likes · 9 min read
Master Spring Boot 3 Config: @ConfigurationProperties, Constructor Binding & Default Values
Selected Java Interview Questions
Selected Java Interview Questions
Feb 20, 2025 · Backend Development

Loading External JARs into Spring Boot: Four Practical Approaches

This article explains how to make custom classes visible to Spring Boot by loading external JAR files through four methods—extending the classpath, using Spring Boot's loader.path parameter, creating a custom ClassLoader, and modifying the boot classpath—while also showing how to configure scanning and packaging details.

ClassLoaderJAR LoadingJava
0 likes · 8 min read
Loading External JARs into Spring Boot: Four Practical Approaches
Shepherd Advanced Notes
Shepherd Advanced Notes
Feb 20, 2025 · Backend Development

How Spring Boot Handles Cross-Origin Requests

This article explains the fundamentals of CORS, why browsers enforce the same‑origin policy, how Spring Boot detects and processes cross‑origin and preflight requests, and provides a minimal configuration and JavaScript example to resolve CORS issues in a Spring Boot application.

CORSConfigurationCross-Origin
0 likes · 11 min read
How Spring Boot Handles Cross-Origin Requests
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 19, 2025 · Backend Development

9 Powerful Ways to Build Spring Boot 3 APIs – Full Code Collection

This guide showcases nine distinct Spring Boot 3 API development techniques—from classic @RestController annotations to functional RouterFunction beans and custom Actuator endpoints—providing complete code samples, configuration details, and a promise of ongoing updates with a downloadable PDF of over 90 practical cases.

ActuatorJavaSpring Boot
0 likes · 8 min read
9 Powerful Ways to Build Spring Boot 3 APIs – Full Code Collection
Top Architect
Top Architect
Feb 18, 2025 · Backend Development

Introducing LiteFlow: A Lightweight Rule Engine for Java Backend Development

This article introduces LiteFlow, a lightweight yet powerful Java rule engine, explains its architecture, component types, EL rule file syntax, configuration options, and demonstrates a real‑world e‑commerce workflow example, providing code snippets and deployment tips for backend developers.

JavaLiteFlowRule Engine
0 likes · 11 min read
Introducing LiteFlow: A Lightweight Rule Engine for Java Backend Development
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 18, 2025 · Backend Development

Why Spring MVC Auto‑Binds Header Data to Your DTO – The Hidden Mechanism Explained

This article explores why Spring MVC automatically binds HTTP header values to controller method parameters, demonstrates the issue with a sample Spring Boot 3.4.0 project, analyzes the underlying HandlerMethodArgumentResolver and ServletModelAttributeMethodProcessor code, and provides two practical solutions to prevent unwanted header binding.

HandlerMethodArgumentResolverHeader BindingJava
0 likes · 8 min read
Why Spring MVC Auto‑Binds Header Data to Your DTO – The Hidden Mechanism Explained
macrozheng
macrozheng
Feb 17, 2025 · Backend Development

Master Dynamic MySQL Master‑Slave Switching in Spring Boot with AOP

This guide explains how to use Spring Boot, AOP, and custom annotations to implement dynamic MySQL master‑slave data source switching, automatically falling back to the master when a slave fails, covering configuration, Maven dependencies, enum definitions, data source beans, routing logic, and usage examples.

AOPDynamic Data SourceMySQL
0 likes · 16 min read
Master Dynamic MySQL Master‑Slave Switching in Spring Boot with AOP
macrozheng
macrozheng
Feb 17, 2025 · Artificial Intelligence

Unlock DeepSeek4j 1.4: Build a Private AI Knowledge Base with Spring Boot

This guide explains why DeepSeek4j is needed, its core features, and provides step‑by‑step instructions—including dependency setup, configuration, code examples, and a complete RAG pipeline using Milvus—to help developers quickly create a private AI knowledge base with Spring Boot.

AIDeepSeek4jMilvus
0 likes · 12 min read
Unlock DeepSeek4j 1.4: Build a Private AI Knowledge Base with Spring Boot
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 16, 2025 · Backend Development

Unlock Remote Server Access in Spring Boot 3 with JSch: Read Files & Run Commands

This article introduces the Java JSch library for Spring Boot 3, demonstrating how to read remote files without downloading, execute commands on a remote host, and obtain an interactive shell prompt, complete with Maven dependency setup, code examples, and execution results, while promising ongoing updates to the case collection.

JSchJavaSpring Boot
0 likes · 7 min read
Unlock Remote Server Access in Spring Boot 3 with JSch: Read Files & Run Commands
Selected Java Interview Questions
Selected Java Interview Questions
Feb 14, 2025 · Databases

ShardingSphere Overview and Spring Boot Integration for Database Sharding, Proxy, and Sidecar

This article introduces ShardingSphere's three components—Sharding-JDBC, Sharding-Proxy, and the upcoming Sharding-Sidecar—explains why sharding is needed for relational databases, demonstrates horizontal data sharding concepts, and provides a complete Spring Boot example with configuration, code, and asynchronous batch insertion.

Async ProcessingMySQLShardingSphere
0 likes · 17 min read
ShardingSphere Overview and Spring Boot Integration for Database Sharding, Proxy, and Sidecar
macrozheng
macrozheng
Feb 14, 2025 · Backend Development

How to Build Fast Spring Boot 3 Apps with GraalVM Native Images and AOT

This guide walks through the prerequisites, GraalVM installation, Maven setup, and step‑by‑step packaging of a Spring Boot 3 application into a native executable using AOT compilation, runtime hints, and Docker, demonstrating dramatically faster startup times.

AOTDockerGraalVM
0 likes · 12 min read
How to Build Fast Spring Boot 3 Apps with GraalVM Native Images and AOT
Java Backend Technology
Java Backend Technology
Feb 14, 2025 · Backend Development

Master Efficient Excel Import/Export in Java with EasyExcel and Thread Pools

Learn how to efficiently handle large-scale Excel import and export in Java web applications using EasyExcel, leveraging Java 8 functional programming, reflection, thread pools, and custom ReadListener implementations to minimize memory usage, improve performance, and support flexible data mapping and dynamic schema handling.

Data ExportEasyExcelSpring Boot
0 likes · 14 min read
Master Efficient Excel Import/Export in Java with EasyExcel and Thread Pools
Java Tech Enthusiast
Java Tech Enthusiast
Feb 13, 2025 · Backend Development

Facade Design Pattern with Spring Boot Example

The article explains the Facade design pattern and demonstrates its use in a Spring Boot travel‑booking application, where a BookingFacade aggregates FlightService, HotelService, and PackageService to provide a single bookTravel method that a REST controller calls, simplifying the API and reducing coupling.

Design PatternsFacade PatternJava
0 likes · 12 min read
Facade Design Pattern with Spring Boot Example
Java Architecture Diary
Java Architecture Diary
Feb 13, 2025 · Artificial Intelligence

Create a Java RAG System Using DeepSeek R1, Milvus, and Spring

This guide walks through building a Java RAG system with DeepSeek R1, Milvus, and Spring, covering environment setup, vector model integration via OpenAI protocol, Maven dependencies, data embedding, and a chat endpoint that combines semantic retrieval with LLM generation.

AI IntegrationDeepSeekMilvus
0 likes · 11 min read
Create a Java RAG System Using DeepSeek R1, Milvus, and Spring
Su San Talks Tech
Su San Talks Tech
Feb 13, 2025 · Databases

Master ShardingSphere: 12 Sharding Strategies & Algorithms Explained

This comprehensive guide walks through ShardingSphere's core sharding strategies and the twelve built‑in sharding algorithms, showing how to configure each with YAML, illustrating their behavior with code examples, and highlighting practical tips for choosing the right approach in real‑world database partitioning scenarios.

Sharding AlgorithmsShardingSphereSpring Boot
0 likes · 29 min read
Master ShardingSphere: 12 Sharding Strategies & Algorithms Explained
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 13, 2025 · Backend Development

Mastering Spring Boot 3: Real‑World Cases, ThreadLocal, Async & More

This article presents a continuously updated collection of over 90 practical Spring Boot 3 examples, covering request/response access, ThreadLocal handling, async interceptors, request metadata extraction, custom type converters, 404 error handling, and related source code to help developers build robust backend services.

Async ProcessingJavaRequest Handling
0 likes · 10 min read
Mastering Spring Boot 3: Real‑World Cases, ThreadLocal, Async & More
macrozheng
macrozheng
Feb 12, 2025 · Databases

Mastering Spring Boot Database Connection Pools: HikariCP vs Druid

This guide explains the need for JDBC connection pools, compares popular pools like HikariCP and Druid, and provides step‑by‑step configurations for both custom property files and Spring Boot auto‑configuration, helping you efficiently manage database connections in Java applications.

Database Connection PoolDruidHikariCP
0 likes · 20 min read
Mastering Spring Boot Database Connection Pools: HikariCP vs Druid
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 12, 2025 · Backend Development

Master Spring Boot 3 Conditional Annotations with Real‑World Examples

This article introduces a continuously updated Spring Boot 3 case collection and PDF e‑book, then dives into the @Conditional annotation, custom condition interfaces, parameterized enhancements, SpringBootCondition usage, and multi‑condition combinations, providing complete code examples and test results.

Custom AnnotationJavaSpring Boot
0 likes · 9 min read
Master Spring Boot 3 Conditional Annotations with Real‑World Examples
Java Tech Enthusiast
Java Tech Enthusiast
Feb 11, 2025 · Backend Development

Using Enums for Configuration Management in Spring Boot

The article shows how to replace hard‑coded strings in Spring Boot configuration files with type‑safe Java enums, using @ConfigurationProperties to bind YAML values to enum fields, thereby improving readability, maintainability, and eliminating magic numbers, illustrated through a user‑role example with controller and Thymeleaf view.

@ConfigurationPropertiesEnumJava
0 likes · 12 min read
Using Enums for Configuration Management in Spring Boot
macrozheng
macrozheng
Feb 11, 2025 · Backend Development

Unlock Redis Performance: Using Lua Scripts in Spring Boot Applications

This comprehensive guide explains how to integrate Lua scripts with Spring Boot and Redis, covering Lua fundamentals, performance benefits, practical use cases, step‑by‑step implementation in Java, error handling, security considerations, and best practices for optimizing distributed applications.

Lua scriptingRedisSpring Boot
0 likes · 21 min read
Unlock Redis Performance: Using Lua Scripts in Spring Boot Applications
Java Web Project
Java Web Project
Feb 11, 2025 · Information Security

How to Use Apache Tika in Spring Boot for Automatic Sensitive Data Detection

This article explains Apache Tika’s core features and architecture, outlines common use‑cases, and provides a step‑by‑step Spring Boot tutorial—including Maven/Gradle setup, a service that extracts text with Tika, regex‑based sensitive‑info detection, a REST controller, optional front‑end, testing instructions, expected output, and extension ideas.

Apache TikaContent ExtractionJava
0 likes · 24 min read
How to Use Apache Tika in Spring Boot for Automatic Sensitive Data Detection
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 11, 2025 · Backend Development

Mastering API Timeout Configurations in Spring Boot 3: From Transactions to NGINX

This article walks through multiple ways to configure API timeout in Spring Boot 3—including transaction timeouts, Resilience4j TimeLimiter, asynchronous request limits, RestTemplate/RestClient/WebClient HTTP client settings, and NGINX proxy timeouts—providing code samples and practical testing results.

API timeoutNginxResilience4j
0 likes · 12 min read
Mastering API Timeout Configurations in Spring Boot 3: From Transactions to NGINX
Code Ape Tech Column
Code Ape Tech Column
Feb 10, 2025 · Backend Development

Implementing Data Isolation in Spring Boot with MyBatis Interceptor and JSqlParser

This article explains how to achieve data isolation in a Spring Boot application by using a MyBatis interceptor that leverages JSqlParser to parse and modify SQL statements at the StatementHandler.prepare stage, covering tool introductions, dependency setup, interceptor implementation, testing examples, and the rationale behind intercepting the prepare method.

Data IsolationJSqlParserMyBatis
0 likes · 13 min read
Implementing Data Isolation in Spring Boot with MyBatis Interceptor and JSqlParser
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 10, 2025 · Backend Development

Master Java Asynchronous Programming: 7 Powerful Techniques with Code Samples

This article explains why asynchronous programming boosts Java application performance and walks through seven practical methods—Thread, FutureTask, CompletableFuture, Guava ListenableFuture, EA‑Async, Cactoos, and Jcabi‑Aspects—each illustrated with complete, runnable code examples.

Asynchronous ProgrammingCompletableFutureConcurrency
0 likes · 14 min read
Master Java Asynchronous Programming: 7 Powerful Techniques with Code Samples
Java Captain
Java Captain
Feb 9, 2025 · Backend Development

Using Lua Scripts in Spring Boot with Redis for Performance and Atomic Operations

This article explains how to integrate Lua scripts into Spring Boot applications with Redis, covering Lua fundamentals, advantages of Lua in Redis, practical use cases, step‑by‑step implementation in Spring Boot, performance optimizations, error handling, security considerations, and best practices for reliable backend development.

BackendLuaPerformance
0 likes · 23 min read
Using Lua Scripts in Spring Boot with Redis for Performance and Atomic Operations
Java Tech Enthusiast
Java Tech Enthusiast
Feb 8, 2025 · Backend Development

Managing Maven Dependencies in Java Projects

The article explains how to manage Maven dependencies in Java projects by using the mvn dependency:analyze command in IntelliJ IDEA to detect unused or undeclared libraries, interpret the results, clean up the pom.xml, and follow best‑practice testing to ensure project stability.

IntelliJ IDEAJavaMaven
0 likes · 6 min read
Managing Maven Dependencies in Java Projects
Java Architecture Diary
Java Architecture Diary
Feb 7, 2025 · Artificial Intelligence

Unlock DeepSeek R1’s Full Potential in Spring with deepseek4j

This article introduces deepseek4j, a Spring‑Boot‑compatible library that fully supports DeepSeek R1’s chain‑of‑thought and billing features, offering reactive streaming, easy configuration, and a built‑in debugging page, with step‑by‑step setup and code examples to help developers quickly integrate the model.

AI IntegrationDeepSeekOpenAI4J
0 likes · 6 min read
Unlock DeepSeek R1’s Full Potential in Spring with deepseek4j
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 7, 2025 · Backend Development

Master Dynamic JSON in Spring Boot 3: 4 Practical Techniques

This article explains why Spring Boot 3 uses Jackson for JSON handling, describes four effective methods—JsonNode, Map, @JsonAnySetter, and custom deserializer—to process dynamic JSON properties, and promotes a continuously updated collection of over 90 Spring Boot case studies with source code.

Custom DeserializerDynamic JSONJackson
0 likes · 9 min read
Master Dynamic JSON in Spring Boot 3: 4 Practical Techniques
Selected Java Interview Questions
Selected Java Interview Questions
Feb 5, 2025 · Backend Development

Implementing Data Isolation in Spring Boot with MyBatis Interceptor and JSqlParser

This article demonstrates how to achieve data isolation in a Spring Boot application by creating a MyBatis interceptor that modifies SQL statements using JSqlParser, covering tool introductions, dependency setup, interceptor implementation, testing for SELECT/INSERT/UPDATE/DELETE, and the rationale for intercepting the prepare method.

Data IsolationJSqlParserMyBatis
0 likes · 14 min read
Implementing Data Isolation in Spring Boot with MyBatis Interceptor and JSqlParser
Code Ape Tech Column
Code Ape Tech Column
Feb 4, 2025 · Backend Development

Sa-Token Java Permission Authentication Framework: Overview, Login, and Permission Implementation

This article introduces the lightweight Sa-Token Java authentication framework, explains why it is chosen over Spring Security and Shiro, details its login and permission APIs with code examples, shows how to configure it in Spring Boot and WebFlux projects, and lists its extensive feature set for secure backend development.

AuthenticationBackendJava
0 likes · 23 min read
Sa-Token Java Permission Authentication Framework: Overview, Login, and Permission Implementation
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 4, 2025 · Backend Development

How to Add Domain-Based Verification to Spring Security Login in Spring Boot 3

This article announces a Spring Boot 3 case collection with 90 permanent examples, then walks through extending Spring Security login to include domain verification by defining a User entity, repository, custom filter, security configuration, Thymeleaf login page, controller, and test endpoint, complete with code snippets and screenshots.

Custom AuthenticationDomain LoginSpring Boot
0 likes · 11 min read
How to Add Domain-Based Verification to Spring Security Login in Spring Boot 3
Architect's Guide
Architect's Guide
Feb 4, 2025 · Backend Development

Deploying Redis Sentinel with Portainer and Integrating it into a Spring Boot Application

This tutorial walks through installing Portainer for Docker container management, creating docker‑compose files to deploy Portainer, setting up a master‑slave‑sentinel Redis architecture, configuring a custom bridge network, and finally integrating Redis Sentinel into a Spring Boot project with Lettuce connection pooling.

BackendContainer ManagementDocker
0 likes · 15 min read
Deploying Redis Sentinel with Portainer and Integrating it into a Spring Boot Application
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Feb 3, 2025 · Backend Development

Master QLExpress: A Hands‑On Guide to Rule Engine Integration with Spring Boot 3

This article introduces the QLExpress rule engine, outlines its key features such as thread‑safety and high‑performance execution, and provides step‑by‑step Spring Boot 3 integration examples—including dependency setup, simple expressions, function definitions, operator aliases, macro usage, and variable querying—complete with runnable code snippets and output illustrations.

JavaQLExpressRule Engine
0 likes · 10 min read
Master QLExpress: A Hands‑On Guide to Rule Engine Integration with Spring Boot 3
Java Backend Technology
Java Backend Technology
Feb 1, 2025 · Backend Development

Unlock Apache Tika: Extract Text, Metadata, and Detect Sensitive Data in Java

This article introduces Apache Tika, a powerful Java library for parsing many file formats, extracting text and metadata, performing OCR and language detection, and shows how to integrate it with Spring Boot to automatically detect sensitive information such as ID numbers, credit cards, and phone numbers.

Apache TikaFile ParsingMetadata Extraction
0 likes · 22 min read
Unlock Apache Tika: Extract Text, Metadata, and Detect Sensitive Data in Java
Java Tech Enthusiast
Java Tech Enthusiast
Jan 31, 2025 · Backend Development

Java 21 Virtual Threads: Benefits, Usage, and Performance Comparison

Java 21’s virtual threads provide a lightweight, JVM‑managed alternative to OS threads that enables hundreds of thousands of concurrent tasks, simplifies scheduling, integrates easily into Spring Boot via a preview flag and Tomcat executor, and delivers up to five‑fold speed‑ups and lower latency in high‑load I/O‑intensive applications.

ConcurrencyJavaPerformance
0 likes · 7 min read
Java 21 Virtual Threads: Benefits, Usage, and Performance Comparison