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This article provides a comprehensive overview of popular Java expression engines—including Spring EL, OGNL, Aviator, MVEL2—and demonstrates how the Hutool facade unifies them with utility classes, offering developers a clear guide to choose and integrate the right engine for their backend applications.
This article demonstrates how to build a reusable data‑desensitization component in Java by defining custom annotations, extending Hutool's DesensitizedUtil, and creating a Spring AOP aspect that automatically masks sensitive fields in returned objects such as pages, lists, or single entities.
This article introduces the Hutool Java utility library, showing how to install it via Maven and demonstrating 17 commonly used utility classes with code examples that simplify type conversion, date handling, JSON processing, string manipulation, reflection, encryption, validation, and more for backend developers.
The article surveys popular Java expression engines—including Spring Expression Language, OGNL, Aviator, and MVEL2—detailing their key features and providing lightweight utility wrappers, and highlights Hutool’s unified façade that can encapsulate these engines to simplify dynamic rule evaluation in backend applications.
This article introduces and compares several Java expression engines—including Spring Expression Language, OGNL, Aviator, MVEL, and Hutool's expression facade—detailing their key features, typical use cases, security considerations, and providing utility class examples with code snippets for each engine.
This article examines the popular Chinese Java utility library Hutool, discussing its features, recent updates, pros and cons, and provides practical code examples for integration, covering dependency setup, type conversion, email, ID generation, HTTP requests, caching, encryption, threading, and more.
This article introduces the Hutool Java utility library, outlines its extensive feature set, shows how to add it via Maven, and provides code examples for frequently used utilities such as DateUtil, StrUtil, NumberUtil, MapUtil, SecureUtil, and CaptchaUtil, helping developers boost backend productivity.
The article explains the major changes in Hutool 6.0, including the shift of package names to org.dromara.hutool, extensive refactoring of utilities and the HTTP module, performance optimizations, and provides migration guidance and recommendations for developers considering the upgrade.
The article demonstrates how to mask sensitive Java backend data by using Hutool's DesensitizedUtil for common types and a custom @Desensitization annotation with a DesensitizationTypeEnum‑driven Jackson serializer (or Fastjson ValueFilter) to apply flexible masking rules during JSON serialization.
This article explains why Hutool switched its package names to org.dromara.hutool in version 6.0, details the major refactorings, performance optimizations, and API changes, and provides practical migration advice and code examples for developers upgrading from 5.x to 6.0.
This article explains how to build a reusable Spring Boot starter that automatically encrypts response data and decrypts request payloads using Hutool-Crypto's AES utilities, covering request stream handling, validation, custom starter configuration, and example code for controllers and entities.
This article introduces the Hutool Java utility library, outlines its modules, shows how to add it to a Maven project, and provides practical code examples for HTTP requests, random codes, pinyin conversion, timing, number handling, data masking, email sending, and Bloom filters, demonstrating how Hutool can streamline backend development.
This article introduces Hutool, a versatile Java utility library that consolidates common functions such as file handling, encryption, caching, and more, provides Maven installation instructions, and demonstrates practical code examples for date, string, number, map, security, and captcha utilities.
This article introduces the Hutool Java utility library, outlines its many modules and features, shows how to add it via Maven, and provides practical code examples for date, string, number, map, encryption, and captcha utilities to help developers avoid reinventing the wheel.
This article introduces Hutool, a Java utility library that consolidates common enterprise‑level tools such as file handling, encryption, date manipulation, and data conversion, explains its main modules, shows how to add it via Maven, and provides practical code examples for quick integration.
This article introduces the Hutool Java utility library, outlines its extensive modules such as AOP, cache, cron, crypto, and provides installation instructions and code examples for common utilities like DateUtil, StrUtil, NumberUtil, MapUtil, SecureUtil, and CaptchaUtil to boost development efficiency.
Upgrading the Hutool library from 5.7.2 to 5.8.8 caused unexpected BeanUtil.copyProperties failures due to new validation logic, prompting a detailed analysis of the issue and a comparison of safer object‑mapping approaches such as explicit getters/setters, ModelMapper, and MapStruct.
This article explains why MySQL’s SQL length limit can cause batch‑insert failures and demonstrates five practical ways to partition a large Java List—using Guava, Apache Commons, Hutool, JDK Stream, and custom subList—complete with code examples and execution results.
This article demonstrates how to protect sensitive user data such as phone numbers in a MySQL database by creating a custom MyBatis TypeHandler that automatically encrypts values on insert and decrypts them on query using AES encryption from the Hutool library.
This article introduces Hutool, a comprehensive Java utility library, detailing its core modules, practical code examples for encryption, HTML handling, and scheduling, and provides guidance on how to integrate its features into Java projects.