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1874 articles · Page 14 of 19
21CTO
21CTO
Nov 9, 2021 · Backend Development

Mastering Elegant Operation Log Design with AOP and SpEL in Java

This article explains how to implement clean, decoupled operation logs in Java applications using AOP, SpEL, custom annotations, and dynamic templates, covering use cases, implementation methods, code examples, parsing logic, context handling, and integration with Spring Boot.

AOPJavaOperation Log
0 likes · 27 min read
Mastering Elegant Operation Log Design with AOP and SpEL in Java
dbaplus Community
dbaplus Community
Nov 8, 2021 · Backend Development

How to Elegantly Implement Decoupled Operation Logging with AOP in Spring

This article explains the difference between system and operation logs, presents common log formats, and provides step‑by‑step implementations—including Canal binlog listening, log‑file recording, LogUtil helpers, and a full AOP‑based @LogRecord solution—while detailing template parsing, context handling, custom functions, and persistence in a Spring Boot environment.

AOPCanalJava
0 likes · 27 min read
How to Elegantly Implement Decoupled Operation Logging with AOP in Spring
Selected Java Interview Questions
Selected Java Interview Questions
Nov 7, 2021 · Backend Development

Do Service and DAO Layers Need Interfaces? When to Omit Them in Spring Projects

This article examines whether Service and DAO layers in Java Spring applications must always have interfaces, explains why dependency‑injection frameworks make interfaces optional, discusses development workflows, multiple‑implementation scenarios, project structuring options, and outlines the trade‑offs of using or not using interfaces.

Backend DevelopmentDAODependency Injection
0 likes · 9 min read
Do Service and DAO Layers Need Interfaces? When to Omit Them in Spring Projects
Architecture Digest
Architecture Digest
Nov 5, 2021 · Backend Development

Parameter Validation in Spring: Controller vs Service Layer, Hibernate Validator, and Commons‑Lang3

This article explains how to place parameter validation in the appropriate Spring layer, demonstrates using Hibernate Validator and commons‑lang3 for concise validation annotations, provides code examples for entity definitions and controller methods, and mentions creating custom validation annotations when needed.

Backend DevelopmentCommons Lang3Controller
0 likes · 6 min read
Parameter Validation in Spring: Controller vs Service Layer, Hibernate Validator, and Commons‑Lang3
Programmer DD
Programmer DD
Nov 5, 2021 · Backend Development

Constructor Injection vs Field Injection: Which Spring Dependency Method Is Best?

This article explains Spring’s three dependency injection methods—Field, Constructor, and Setter—detailing their implementations, advantages, and drawbacks, and shows why IDEs warn against field injection, recommending constructor injection as the preferred approach for.

Constructor InjectionDependency InjectionField Injection
0 likes · 7 min read
Constructor Injection vs Field Injection: Which Spring Dependency Method Is Best?
macrozheng
macrozheng
Nov 1, 2021 · Backend Development

Design Patterns in Java: Strategy, Chain, Template, Observer & Singleton

This article explores six classic design patterns—Strategy, Chain of Responsibility, Template Method, Observer, Factory, and Singleton—detailing their real‑world business scenarios, core principles, Java implementations with Spring integration, and how they improve code maintainability, extensibility, and adherence to SOLID principles.

JavaSOLIDSpring
0 likes · 27 min read
Design Patterns in Java: Strategy, Chain, Template, Observer & Singleton
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Nov 1, 2021 · Backend Development

2021 Comprehensive Java Learning Roadmap: From Fundamentals to a Competitive Offer

This guide presents a detailed 2021 Java learning roadmap covering programming fundamentals, JVM internals, concurrency, data structures, algorithms, databases, development tools, backend frameworks, DevOps practices, and interview preparation, with curated resources and a practical study schedule to help learners secure a strong job offer.

AlgorithmsBackend DevelopmentDevOps
0 likes · 8 min read
2021 Comprehensive Java Learning Roadmap: From Fundamentals to a Competitive Offer
Java Interview Crash Guide
Java Interview Crash Guide
Nov 1, 2021 · Backend Development

How We Doubled Service QPS and Fixed Hystrix Bottlenecks in Two Weeks

In this article we detail a two‑week sprint that identified and eliminated multiple Java backend performance bottlenecks, optimized CPU usage with jtop, re‑engineered Hystrix circuit‑breaker settings, reduced logging overhead, and fixed Spring data‑binding issues, ultimately doubling QPS and stabilizing service recovery.

HystrixJavaOptimization
0 likes · 16 min read
How We Doubled Service QPS and Fixed Hystrix Bottlenecks in Two Weeks
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Oct 31, 2021 · Backend Development

Comprehensive Guide to Using Spring RestTemplate for HTTP Requests

This article provides a detailed tutorial on Spring's RestTemplate class, covering its overview, setup, and extensive examples of GET, POST, file download, header handling, dynamic URL parameters, and integration with HttpClient and OkHttp, along with complete code snippets and best‑practice recommendations for backend Java development.

APIBackendHTTP
0 likes · 25 min read
Comprehensive Guide to Using Spring RestTemplate for HTTP Requests
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Oct 31, 2021 · Backend Development

Spring Bean Injection Methods: Property, Setter, and Constructor Injection

This article explains Spring's three bean injection approaches—property, setter, and constructor injection—detailing their syntax, advantages, and drawbacks, referencing official Spring documentation to show the evolution from setter to constructor injection and advising developers on best practices.

BackendConstructor InjectionDependency Injection
0 likes · 7 min read
Spring Bean Injection Methods: Property, Setter, and Constructor Injection
Full-Stack Internet Architecture
Full-Stack Internet Architecture
Oct 30, 2021 · Backend Development

Spring Transaction Management: Concepts, Configuration, and Best Practices

This article explains the fundamentals of database transactions, the ACID properties, and how Spring provides both declarative and programmatic transaction support through three core interfaces, detailed configuration examples in XML and Java, and a deep dive into transaction attributes such as isolation, propagation, rollback rules, read‑only mode, and timeout.

BackendDeclarativeJava
0 likes · 31 min read
Spring Transaction Management: Concepts, Configuration, and Best Practices
Selected Java Interview Questions
Selected Java Interview Questions
Oct 29, 2021 · Backend Development

Differences Between @Autowired, @Resource, and @Inject and Why Field Injection Is Not Recommended in Spring

This article explains the distinctions among Spring's @Autowired, @Resource, and @Inject annotations, describes the IDE warning "Field injection is not recommended", compares field, setter, and constructor injection methods, and provides best‑practice recommendations with code examples.

Dependency InjectionInjectJava
0 likes · 14 min read
Differences Between @Autowired, @Resource, and @Inject and Why Field Injection Is Not Recommended in Spring
Architect's Tech Stack
Architect's Tech Stack
Oct 29, 2021 · Backend Development

Spring nohttp Project: Blocking HTTP URLs and Enhancing Security

The article introduces Spring’s open‑source nohttp project, which scans, replaces, and blocks HTTP URLs to prevent man‑in‑the‑middle attacks, outlines its modules and usage with an XML configuration example, and also advertises a free Alibaba Cloud server giveaway and a large interview‑question PDF collection.

Backend DevelopmentJavaSpring
0 likes · 4 min read
Spring nohttp Project: Blocking HTTP URLs and Enhancing Security
Architect's Tech Stack
Architect's Tech Stack
Oct 28, 2021 · Backend Development

Commonly Used Spring Annotations – Core, MVC/REST, Boot, Stereotype, Transaction, Scheduling and Testing

This article provides a comprehensive overview of the most frequently used Spring annotations, covering core dependency‑injection annotations, MVC/REST mapping, Spring Boot configuration, stereotype components, transaction management, task scheduling, asynchronous execution, and testing support, with clear code examples for each.

BootDependencyInjectionJava
0 likes · 11 min read
Commonly Used Spring Annotations – Core, MVC/REST, Boot, Stereotype, Transaction, Scheduling and Testing
macrozheng
macrozheng
Oct 27, 2021 · Backend Development

Unlock the Full Power of Spring’s @Value: Tips, Tricks, and Common Pitfalls

This article provides a comprehensive guide to Spring’s @Value annotation, covering basic usage, property naming, handling Unicode and encoding issues, default values, static fields, arrays, collections, EL expressions, bean injection, and the differences between ${} and #{} syntax, with practical code examples and solutions to common problems.

@ValueEL ExpressionsJava
0 likes · 20 min read
Unlock the Full Power of Spring’s @Value: Tips, Tricks, and Common Pitfalls
Top Architect
Top Architect
Oct 22, 2021 · Backend Development

Understanding AOP: AspectJ, Spring AOP, and CGLIB – A Practical Guide

This article explains the fundamentals of Aspect‑Oriented Programming, introduces AspectJ as a standalone AOP solution, demonstrates how to implement a HelloWorld example with compile‑time weaving, compares it with Spring AOP’s runtime proxies, and shows how CGLIB can be used for proxy generation.

AOPAspectJJava
0 likes · 9 min read
Understanding AOP: AspectJ, Spring AOP, and CGLIB – A Practical Guide
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Oct 22, 2021 · Backend Development

Unlock Spring BeanPostProcessor & BeanFactoryPostProcessor for Backend Customization

This article explains how to extend the Spring IoC container using custom BeanPostProcessor, BeanFactoryPostProcessor, and FactoryBean implementations, covering registration methods, ordering, interaction with AOP proxies, and practical code examples for tracing bean creation and externalizing configuration properties.

Backend DevelopmentBeanPostProcessorDependency Injection
0 likes · 13 min read
Unlock Spring BeanPostProcessor & BeanFactoryPostProcessor for Backend Customization
Java Interview Crash Guide
Java Interview Crash Guide
Oct 20, 2021 · Backend Development

How Spring Implements Classic Design Patterns: From Simple Factory to Template Method

This article explains how Spring’s core container uses classic design patterns—Simple Factory via BeanFactory, Factory Method with FactoryBean, Singleton, Adapter, Decorator, Proxy, Observer, Strategy, and Template Method—illustrated with code snippets and diagrams to show their implementation and purpose within the framework.

BeanFactorySpringTemplate Method
0 likes · 15 min read
How Spring Implements Classic Design Patterns: From Simple Factory to Template Method
Java Architect Essentials
Java Architect Essentials
Oct 15, 2021 · Backend Development

Master Spring MVC & Bean Annotations: A Complete Guide

This article provides a comprehensive overview of Spring MVC request‑mapping annotations, core Spring Bean annotations, dependency‑injection and scope configurations, container setup annotations, and essential Spring Boot annotations, each illustrated with clear code examples and usage tips.

Dependency InjectionJava backendSpring
0 likes · 16 min read
Master Spring MVC & Bean Annotations: A Complete Guide
Selected Java Interview Questions
Selected Java Interview Questions
Oct 12, 2021 · Backend Development

Implementing MyBatis Streaming Queries with Cursor and Keeping Database Connections Open

The article explains the concept of streaming queries in MyBatis, introduces the Cursor interface, demonstrates how to use it in Spring MVC controllers, and provides three practical solutions—SqlSessionFactory, TransactionTemplate, and @Transactional—to keep the database connection open during iteration.

BackendCursorJava
0 likes · 7 min read
Implementing MyBatis Streaming Queries with Cursor and Keeping Database Connections Open
Java Backend Technology
Java Backend Technology
Oct 12, 2021 · Backend Development

14 Must-Know Spring MVC Controller Tips for Better Backend Development

This article walks through fourteen practical techniques for building Spring MVC controllers, covering annotation‑based definitions, interface implementation, extending abstract classes, URL mapping, request method handling, parameter binding, model handling, redirects, form validation, file uploads, autowiring services, and best practices such as single‑responsibility and domain‑specific controller design.

ControllerJavaSpring
0 likes · 16 min read
14 Must-Know Spring MVC Controller Tips for Better Backend Development
Su San Talks Tech
Su San Talks Tech
Oct 11, 2021 · Backend Development

Unlock the Full Power of Spring’s @Value: Tips, Tricks, and Hidden Features

This comprehensive guide explores Spring's @Value annotation, covering basic usage, property name handling, encoding issues, default values, static fields, various data types, collection injection, EL expressions, bean injection, and the differences between ${} and #{} to help Java developers master configuration injection.

@ValueConfigurationDependency Injection
0 likes · 19 min read
Unlock the Full Power of Spring’s @Value: Tips, Tricks, and Hidden Features
Code Ape Tech Column
Code Ape Tech Column
Oct 9, 2021 · Backend Development

Common Scenarios Where Spring Transactions Fail and How to Fix Them

This article explains why Spring @Transactional may become ineffective or fail to roll back in various situations—such as wrong method visibility, final modifiers, internal calls, missing Spring bean registration, multithreading, unsupported table engines, misconfigured propagation, swallowed exceptions, and improper rollback settings—while also offering practical solutions and best‑practice recommendations.

@TransactionalAOPBackend
0 likes · 19 min read
Common Scenarios Where Spring Transactions Fail and How to Fix Them
Top Architect
Top Architect
Oct 6, 2021 · Backend Development

Understanding Spring AOP Proxy Creation and Common Pitfalls

This article explains how Spring AOP weaves aspect code using dynamic proxies, why internal calls via this bypass proxy logic, and how to correctly configure and obtain proxied beans using JDK/CGLIB proxies, @EnableAspectJAutoProxy, @Autowired injection, and AopContext.

AOPAspectJCGLIB
0 likes · 4 min read
Understanding Spring AOP Proxy Creation and Common Pitfalls
Selected Java Interview Questions
Selected Java Interview Questions
Oct 5, 2021 · Backend Development

Overview of Spring Web MVC and Spring Bean Annotations

This article provides a comprehensive guide to Spring Web MVC and Spring Bean annotations, detailing usage, attributes, and examples of @RequestMapping, @GetMapping, @PostMapping, @ControllerAdvice, @Autowired, @Scope, and various Spring Boot conditional annotations, helping developers understand and apply them effectively.

Dependency InjectionSpringSpring Boot
0 likes · 16 min read
Overview of Spring Web MVC and Spring Bean Annotations
Architecture Digest
Architecture Digest
Oct 5, 2021 · Backend Development

Understanding Simple Factory, Factory Method, Singleton, Adapter, Decorator, Observer, Strategy, and Template Method Patterns in Spring

This article explains how Spring implements classic design patterns—including Simple Factory via BeanFactory, Factory Method with FactoryBean, Singleton with double‑checked locking, Adapter through HandlerAdapter, Decorator via Wrapper classes, Observer in its event model, Strategy via the Resource interface, and Template Method in JdbcTemplate—providing clear examples and code snippets for each.

Backend DevelopmentDependency InjectionJava
0 likes · 13 min read
Understanding Simple Factory, Factory Method, Singleton, Adapter, Decorator, Observer, Strategy, and Template Method Patterns in Spring
High Availability Architecture
High Availability Architecture
Sep 28, 2021 · Backend Development

Elegant Design and Implementation of Operation Logging Using AOP and Dynamic Templates

This article explains the differences between system and operation logs, explores various implementation methods such as Canal, file logging, LogUtil, and method annotations, and demonstrates how to achieve clean, dynamic, and decoupled operation logging in Java Spring applications using AOP, SpEL, custom functions, and a well‑structured logging context.

AOPBackendJava
0 likes · 25 min read
Elegant Design and Implementation of Operation Logging Using AOP and Dynamic Templates
Programmer DD
Programmer DD
Sep 28, 2021 · Backend Development

What Makes Spring the Dominant Backend Framework in 2021? Survey Insights

A 2021 survey reveals that Spring remains the leading Java backend platform, with 75% of developers using core modules, over 80% adopting modern architectures, and growing interest in Kotlin, Spring Native, and Kubernetes integration, highlighting its extensive ecosystem and productivity benefits.

JavaKubernetesMicroservices
0 likes · 9 min read
What Makes Spring the Dominant Backend Framework in 2021? Survey Insights
Java Interview Crash Guide
Java Interview Crash Guide
Sep 28, 2021 · Backend Development

What I Learned from 20 Java Interviews: High‑Frequency Questions and Real Experiences

The author, a senior Java developer with ten years of experience, documents a ten‑day interview marathon across 20 companies, summarizing interview processes, outcomes, and the most frequently asked technical questions on Java fundamentals, Spring, MySQL, Redis, MQ, and micro‑service architecture to help fellow developers prepare effectively.

JavaMySQLRedis
0 likes · 18 min read
What I Learned from 20 Java Interviews: High‑Frequency Questions and Real Experiences
JavaEdge
JavaEdge
Sep 25, 2021 · Backend Development

Why Spring AOP Doesn’t Apply to ‘this’ Calls and How to Fix It

This article explains why Spring AOP proxies are not applied when a bean invokes its own methods via the this reference, compares JDK and CGLIB proxy mechanisms, and shows how to enable proxy exposure or use AopContext to achieve the desired AOP behavior.

AOPCGLIBDependency Injection
0 likes · 5 min read
Why Spring AOP Doesn’t Apply to ‘this’ Calls and How to Fix It
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Sep 23, 2021 · Backend Development

Unlock Spring’s Aware Interfaces: Access ApplicationContext, Environment, and BeanFactory

This tutorial explains how implementing Spring’s *Aware interfaces lets beans obtain ApplicationContext, Environment, and BeanFactory objects, walks through the underlying processing mechanism, and provides concrete code examples with the relevant Spring classes and lifecycle hooks.

Aware InterfaceBeanPostProcessorDependency Injection
0 likes · 3 min read
Unlock Spring’s Aware Interfaces: Access ApplicationContext, Environment, and BeanFactory
Code Ape Tech Column
Code Ape Tech Column
Sep 21, 2021 · Backend Development

Overview of Spring Web MVC, Bean, and Boot Annotations

This article provides a comprehensive guide to Spring MVC request‑mapping annotations, Spring Bean lifecycle and dependency‑injection annotations, as well as Spring Boot conditional and configuration annotations, illustrating each with code examples and usage notes for Java backend development.

JavaSpringSpring Boot
0 likes · 13 min read
Overview of Spring Web MVC, Bean, and Boot Annotations
Java Backend Technology
Java Backend Technology
Sep 12, 2021 · Backend Development

Mastering Spring Bean Definitions: XML, Annotations, JavaConfig & Import Techniques

This comprehensive guide explores every way to define Spring beans—from classic XML configurations and constructor or setter injection to modern @Component annotations, JavaConfig @Bean methods, and advanced @Import, ImportSelector, and post‑processor techniques—empowering developers to choose the most suitable approach for any project.

@BeanJavaConfigSpring
0 likes · 18 min read
Mastering Spring Bean Definitions: XML, Annotations, JavaConfig & Import Techniques
Architect's Tech Stack
Architect's Tech Stack
Sep 11, 2021 · Backend Development

Commonly Used Spring Framework Annotations Overview

This article introduces the most frequently used Spring framework annotations—including core, MVC/REST, Spring Boot, stereotype, transaction, scheduling, and testing annotations—explaining their purposes, usage locations, and providing Java code examples to illustrate how they configure beans, handle requests, and manage application behavior.

JavaSpringSpringBoot
0 likes · 12 min read
Commonly Used Spring Framework Annotations Overview
Su San Talks Tech
Su San Talks Tech
Sep 4, 2021 · Backend Development

Why Spring Transactions Fail: 7 Common Pitfalls and How to Fix Them

This article explores why Spring transactions may fail, covering seven common pitfalls such as incorrect method visibility, final methods, internal calls, missing Spring management, multithreading, unsupported table engines, and misconfigured propagation, and provides practical solutions to ensure reliable transaction handling.

@TransactionalAOPBackend
0 likes · 19 min read
Why Spring Transactions Fail: 7 Common Pitfalls and How to Fix Them
Programmer DD
Programmer DD
Sep 2, 2021 · Backend Development

Unlocking Spring: 9 Essential Design Patterns Every Backend Developer Should Know

This article explains how Spring implements nine classic design patterns—including Simple Factory, Factory Method, Singleton, Adapter, Decorator, Proxy, Observer, Strategy, and Template Method—detailing their implementation mechanisms, core principles, key Spring interfaces, and code examples for each pattern.

Backend DevelopmentDependency InjectionJava
0 likes · 16 min read
Unlocking Spring: 9 Essential Design Patterns Every Backend Developer Should Know
Top Architect
Top Architect
Aug 29, 2021 · Backend Development

Implementation of a Redis-Based Delay Queue in Java

This article explains the design and step‑by‑step implementation of a Redis delay queue using Java and Spring, covering the workflow, core components, task states, public APIs, container classes, timer handling, and testing procedures with complete code examples.

JavaRedisSpring
0 likes · 14 min read
Implementation of a Redis-Based Delay Queue in Java
Top Architect
Top Architect
Aug 27, 2021 · Backend Development

Injecting List, Array, Set, and Map Values in Spring Using @Value and EL Expressions

This article explains how to configure and inject List, Map, Set, and array values in Spring applications using @Value annotations, EL expression split functions, default values, and custom parsing methods, providing practical code examples and discussing the advantages and limitations of each approach.

Backend DevelopmentEL ExpressionsJava
0 likes · 9 min read
Injecting List, Array, Set, and Map Values in Spring Using @Value and EL Expressions
Architecture Digest
Architecture Digest
Aug 26, 2021 · Backend Development

Injecting Beans with Annotations in Spring

This article explains how to use Spring annotations such as @Component, @Configuration, @Bean, @Autowired, and @Qualifier to inject beans via XML replacement, constructor injection, setter injection, property injection, List and Map injection, providing code examples and detailed explanations for each method.

BackendDependency InjectionIOC
0 likes · 9 min read
Injecting Beans with Annotations in Spring
Programmer DD
Programmer DD
Aug 24, 2021 · Databases

Seamless Data Encryption with ShardingSphere: A Spring Guide

This article explains why encrypting sensitive customer data in databases is essential, outlines common pain points, and demonstrates how Apache ShardingSphere’s data‑desensitization module can be quickly configured in Spring (XML and Boot) to provide transparent AES encryption and decryption without altering business code.

AESDatabase SecurityJava
0 likes · 8 min read
Seamless Data Encryption with ShardingSphere: A Spring Guide
Top Architect
Top Architect
Aug 19, 2021 · Backend Development

Understanding Spring @Async and Custom Thread Pools

This article explains how Spring's @Async annotation enables asynchronous method execution, compares synchronous and asynchronous flows, reviews the built‑in executors, highlights the drawbacks of the default SimpleAsyncTaskExecutor, and demonstrates how to configure a custom thread pool using AsyncConfigurer or TaskExecutor beans.

@AsyncJavaSpring
0 likes · 9 min read
Understanding Spring @Async and Custom Thread Pools
Top Architect
Top Architect
Aug 19, 2021 · Backend Development

Comprehensive Domain Interface Design and Implementation in Java Backend Systems

This article explores comprehensive domain interface design in Java backend development, showing how to model domain objects as interfaces, implement repositories for JPA, MyBatis, and Elasticsearch, handle associations with JPA annotations, and apply these patterns in the open‑source Mallfoundry e‑commerce platform.

Domain-Driven DesignElasticsearchJPA
0 likes · 8 min read
Comprehensive Domain Interface Design and Implementation in Java Backend Systems
Java Backend Technology
Java Backend Technology
Aug 19, 2021 · Backend Development

Eliminate if‑else with Annotation‑Driven Strategy Pattern in Spring Boot

This article explains how to replace bulky if‑else statements with a clean, annotation‑based Strategy pattern in a Spring Boot application, covering interface definition, custom annotations, dynamic proxy handling, map injection, and the crucial hashCode/equals overrides for reliable handler lookup.

Dependency InjectionDesign PatternsJava
0 likes · 14 min read
Eliminate if‑else with Annotation‑Driven Strategy Pattern in Spring Boot
Programmer DD
Programmer DD
Aug 18, 2021 · Backend Development

How Does Spring’s @Autowired Work Under the Hood? A Deep Dive

This article explores the various ways to use Spring’s @Autowired annotation—including constructor, setter, field, and collection injection—examines its purpose, and provides a detailed analysis of its implementation in the Spring framework by dissecting the source code and related reflection mechanisms.

Dependency InjectionJavaReflection
0 likes · 17 min read
How Does Spring’s @Autowired Work Under the Hood? A Deep Dive
Architecture Digest
Architecture Digest
Aug 17, 2021 · Backend Development

Comprehensive Guide to Spring Validation: Best Practices, Scenarios, and Advanced Features

This article provides an in‑depth tutorial on Spring Validation, covering basic usage, requestBody and requestParam validation, group and nested validation, collection handling, custom constraints, programmatic validation, fail‑fast mode, and the underlying implementation details within Spring MVC and Hibernate Validator.

BackendDTOHibernate
0 likes · 15 min read
Comprehensive Guide to Spring Validation: Best Practices, Scenarios, and Advanced Features
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Aug 17, 2021 · Backend Development

Mastering Spring @Autowired: 9 Powerful Injection Techniques

This article explains how Spring's @Autowired annotation works across constructors, methods, fields, arrays, collections, maps, optional dependencies, and special beans, providing practical code examples and important notes on required flags, ordering, and usage restrictions.

Backend DevelopmentCode ExamplesDependency Injection
0 likes · 7 min read
Mastering Spring @Autowired: 9 Powerful Injection Techniques
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Aug 16, 2021 · Backend Development

Mastering Spring AOP Pointcuts: Static, Dynamic, and Custom Implementations

This article explains Spring's pointcut implementations, covering static and dynamic pointcuts, regular‑expression based pointcuts, the RegexpMethodPointcutAdvisor, control‑flow pointcuts, and how to create custom pointcuts by subclassing Spring’s abstract pointcut classes, with full XML and Java code examples.

AOPBackend DevelopmentJava
0 likes · 9 min read
Mastering Spring AOP Pointcuts: Static, Dynamic, and Custom Implementations
Code Ape Tech Column
Code Ape Tech Column
Aug 8, 2021 · Backend Development

Master Spring @Async: Custom Thread Pools and Real-World Usage

This guide explains how Spring's @Async annotation works, compares built-in executors, shows how to configure custom thread pools via AsyncConfigurer or AsyncConfigurerSupport, and demonstrates various async method signatures including void, Future and CompletableFuture with practical code examples.

@AsyncBackendJava
0 likes · 9 min read
Master Spring @Async: Custom Thread Pools and Real-World Usage
Xianyu Technology
Xianyu Technology
Aug 5, 2021 · Backend Development

Applying SWAK Framework in Xianyu Search: Architecture and Implementation

The article explains how Xianyu’s search service refactors tightly‑coupled, if‑else‑heavy code by applying the lightweight SWAK framework—defining @SwakInterface and @SwakTag annotations, registering proxy beans, using AOP and CGLIB proxies to route business logic via request‑derived tag groups, achieving clean, modular routing.

AOPBackendDynamicProxy
0 likes · 13 min read
Applying SWAK Framework in Xianyu Search: Architecture and Implementation
Java Interview Crash Guide
Java Interview Crash Guide
Aug 5, 2021 · Backend Development

Mastering Java ThreadPoolExecutor: 4 Rejection Policies Explained & When to Use Them

Java's ThreadPoolExecutor offers four rejection policies—AbortPolicy, DiscardPolicy, DiscardOldestPolicy, and CallerRunsPolicy—each handling task overflow differently; this article explains their behavior, default setting, code examples, and how to configure them via Spring's ThreadPoolTaskExecutor for various business scenarios.

JavaRejectionPolicySpring
0 likes · 9 min read
Mastering Java ThreadPoolExecutor: 4 Rejection Policies Explained & When to Use Them
Java High-Performance Architecture
Java High-Performance Architecture
Aug 4, 2021 · Backend Development

Top 10 Common Spring Framework Mistakes and How to Fix Them

This article outlines the ten most frequent errors developers make when using the Spring framework—ranging from over‑focusing on low‑level details to neglecting proper testing—and provides concrete best‑practice solutions with code examples to improve code quality, maintainability, and reliability.

Backend DevelopmentJavaSpring
0 likes · 17 min read
Top 10 Common Spring Framework Mistakes and How to Fix Them
Top Architect
Top Architect
Jul 31, 2021 · Backend Development

Understanding Spring Bean Instantiation Process

This article explains how Spring's IoC container creates and manages beans, covering the container startup phase, bean definition loading, BeanFactoryPostProcessor and BeanPostProcessor extensions, object creation strategies, property injection, Aware interfaces, and bean lifecycle callbacks.

@BeanDependency InjectionIOC
0 likes · 14 min read
Understanding Spring Bean Instantiation Process
Architect's Tech Stack
Architect's Tech Stack
Jul 29, 2021 · Databases

Quick Start Guide to Data Encryption (Masking) with Apache ShardingSphere in Spring and Spring Boot

This article explains how to use Apache ShardingSphere's encryption module to transparently store and query sensitive customer data such as ID numbers and bank cards by configuring encryption rules in Spring or Spring Boot, eliminating manual SQL encryption and simplifying compliance for legacy systems.

Database SecurityJavaSQL Masking
0 likes · 9 min read
Quick Start Guide to Data Encryption (Masking) with Apache ShardingSphere in Spring and Spring Boot
Programmer DD
Programmer DD
Jul 29, 2021 · Databases

Secure Sensitive Data in ShardingSphere: Quick Start Guide for Spring

This tutorial explains why encrypting sensitive fields like ID numbers and bank cards is required, outlines common pain points, and shows how to configure ShardingSphere's data‑desensitization module using Spring namespace or Spring Boot with full code examples and configuration files.

Database SecurityJavaShardingSphere
0 likes · 8 min read
Secure Sensitive Data in ShardingSphere: Quick Start Guide for Spring
Java Interview Crash Guide
Java Interview Crash Guide
Jul 27, 2021 · Backend Development

Mastering Spring AOP: From Basics to Advanced Real‑World Examples

This article introduces Aspect‑Oriented Programming in Spring, explains core concepts such as pointcut, advice, aspect, join point and weaving, and provides step‑by‑step code examples—including a simple @GetMapping logger, a custom permission annotation with multiple aspects, and detailed usage of @Pointcut, @Around, @Before, @After, @AfterReturning and @AfterThrowing annotations—illustrated with diagrams and runnable snippets.

AOPJavaSpring
0 likes · 19 min read
Mastering Spring AOP: From Basics to Advanced Real‑World Examples
Top Architect
Top Architect
Jul 26, 2021 · Backend Development

Performance Optimization of Java Backend Services: Reducing CPU Load, Improving Hystrix Circuit Breaking, and Fixing Spring Data Binding Issues

This article describes how a Java backend service suffered high CPU usage and load, how the team diagnosed the problems with jtop and thread stacks, optimized JSON/Bean processing, re‑engineered Hystrix circuit‑breaker settings, reduced logging overhead, and fixed Spring data‑binding exceptions to double the QPS and achieve stable recovery after traffic spikes.

Circuit BreakerHystrixJVM
0 likes · 15 min read
Performance Optimization of Java Backend Services: Reducing CPU Load, Improving Hystrix Circuit Breaking, and Fixing Spring Data Binding Issues
Selected Java Interview Questions
Selected Java Interview Questions
Jul 23, 2021 · Backend Development

Global Exception Handling in Spring MVC Using @ControllerAdvice and @ExceptionHandler

This article explains why global exception handling is needed in Spring MVC, outlines its application scenarios, compares AOP with the simpler @ControllerAdvice/@ExceptionHandler approach, and provides detailed code examples for custom response objects, validation handling, and transaction rollback strategies to improve code cleanliness and maintainability.

BackendControllerAdviceJava
0 likes · 11 min read
Global Exception Handling in Spring MVC Using @ControllerAdvice and @ExceptionHandler
Top Architect
Top Architect
Jul 23, 2021 · Backend Development

Design Patterns in the Spring Framework: A Comprehensive Overview

This article provides a detailed overview of how the Spring framework implements classic design patterns—including Simple Factory, Factory Method, Singleton, Adapter, Decorator, Proxy, Observer, Strategy, and Template Method—illustrated with code snippets and explanations of their roles in Spring's dependency injection and bean lifecycle management.

Dependency InjectionDesign PatternsJava
0 likes · 14 min read
Design Patterns in the Spring Framework: A Comprehensive Overview
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Jul 21, 2021 · Backend Development

Mastering Spring @Autowired: 9 Powerful Injection Techniques

This guide explains how Spring's @Autowired annotation works across constructors, methods, fields, arrays, collections, maps, optional dependencies, and built‑in Spring components, providing code examples and tips for handling required and optional beans in a Spring 5.2.15 environment.

Backend DevelopmentDependency InjectionJava
0 likes · 7 min read
Mastering Spring @Autowired: 9 Powerful Injection Techniques
Top Architect
Top Architect
Jul 21, 2021 · Backend Development

Understanding Spring's @Transactional Annotation: Implementation and AOP Mechanics

This article explains the purpose and inner workings of Spring's @Transactional annotation, detailing how AOP and dynamic proxies create transactional proxies, the role of BeanPostProcessor, advisors, TransactionInterceptor, and the transaction lifecycle, accompanied by code examples and diagrams for deeper insight.

@TransactionalAOPBackend Development
0 likes · 10 min read
Understanding Spring's @Transactional Annotation: Implementation and AOP Mechanics
Java Captain
Java Captain
Jul 21, 2021 · Backend Development

Integrating Alipay’s New Transfer API (alipay.fund.trans.uni.transfer) in a Java Spring Application

This guide explains how to integrate Alipay’s new secure transfer API (alipay.fund.trans.uni.transfer) into a Java Spring application, covering SDK upgrade, certificate placement, configuration files, Maven dependency, bean injection, and utility classes with full code examples for payment and transfer operations.

API integrationAlipayBackend
0 likes · 11 min read
Integrating Alipay’s New Transfer API (alipay.fund.trans.uni.transfer) in a Java Spring Application
Java Backend Technology
Java Backend Technology
Jul 20, 2021 · Backend Development

How to Implement Efficient MyBatis Streaming Queries in Spring

Streaming queries return an iterator instead of a full result set, reducing memory usage, but require keeping the database connection open; this guide explains MyBatis’s Cursor interface, its methods, and three practical ways—using SqlSessionFactory, TransactionTemplate, or @Transactional—to safely perform MyBatis streaming queries in Spring.

CursorJavaMyBatis
0 likes · 7 min read
How to Implement Efficient MyBatis Streaming Queries in Spring
Programmer DD
Programmer DD
Jul 20, 2021 · Backend Development

Understanding @Autowired, @Resource, and @Inject: When and How to Use Spring DI Annotations

This article explains the differences between Spring's @Autowired, @Resource, and @Inject annotations, describes the injection order and rules, shows code examples for each approach, and discusses why constructor‑based injection is recommended over field injection for cleaner, more maintainable applications.

Constructor InjectionDependency InjectionField Injection
0 likes · 13 min read
Understanding @Autowired, @Resource, and @Inject: When and How to Use Spring DI Annotations
Top Architect
Top Architect
Jul 18, 2021 · Backend Development

Understanding the @Autowired Annotation in Spring: Usage, Implementation, and Underlying Mechanics

This article explains the @Autowired annotation in Spring, covering its various usage forms such as constructor, setter, method, field, and collection injection, and delves into the underlying implementation details within Spring's AutowiredAnnotationBeanPostProcessor, including metadata handling, reflection-based injection, and common pitfalls.

Backend DevelopmentDependency InjectionJava
0 likes · 19 min read
Understanding the @Autowired Annotation in Spring: Usage, Implementation, and Underlying Mechanics
Spring Full-Stack Practical Cases
Spring Full-Stack Practical Cases
Jul 14, 2021 · Backend Development

Understanding Spring Cloud RefreshScope: How Dynamic Configuration Refresh Works

This article explains the inner workings of Spring Cloud's RefreshScope, detailing its source code, registration process, refresh endpoint activation, event-driven refresh mechanism, and how beans annotated with @RefreshScope or @ConfigurationProperties are dynamically reloaded without restarting the application.

@RefreshScopeConfigurationSpring
0 likes · 11 min read
Understanding Spring Cloud RefreshScope: How Dynamic Configuration Refresh Works
Top Architect
Top Architect
Jul 11, 2021 · Backend Development

Implementing Request Logging with Spring AOP: A Practical Guide

This article demonstrates how to use Spring AOP to create a request‑logging aspect that captures request parameters, response data, execution time, and error information, while also addressing high‑concurrency logging issues and integrating trace‑ID tracking for easier debugging.

AOPAspectJJava
0 likes · 12 min read
Implementing Request Logging with Spring AOP: A Practical Guide
Programmer DD
Programmer DD
Jul 11, 2021 · Databases

Inside MyBatis Transactions: The Real Story of JDBC Commit, Rollback & Close

This article demystifies MyBatis transaction handling by explaining the true JDBC methods—setAutoCommit, commit, rollback—and clarifying common misconceptions about create, begin, close, and suspend, while exploring MyBatis’s Transaction, TransactionFactory, and practical code examples that illustrate how commits, rollbacks, and connection closing behave in various scenarios.

JDBCMyBatisSpring
0 likes · 10 min read
Inside MyBatis Transactions: The Real Story of JDBC Commit, Rollback & Close