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Project Setup and Dependencies Configure Maven dependencies for Spring MVC web applications: <project> <modelVersion>4.0.0</modelVersion> <groupId>com.example</groupId> <artifactId>spring-web-app</artifactId> <version>1.0.0</version> <packaging>war</packaging> <pr ...

Passing Parameters in MyBatis MyBatis provides multiple ways to pass parameters from Java code to XML mapper files. This article explores several common techniques used in parameter handling. Single Simple Parameter When a DAO interface method has a single simple paraemter (such as a primitive type or String), you can use any placeholder name i ...

XML-based configuration remains a practical approach for managing Apache Dubbo RPC endpoints, particularly when decoupling infrastructure settings from application source code. This methodology facilitates environment-specific overrides, centralized version control, and clearer depandency mapping for complex deployments. Dependency Initializati ...

Exact Path Mapping An exact match occurs only when the request URL is identical to the string defined in the <url-pattern> tag. This is the most specific form of routing. <servlet-mapping> <servlet-name>resourceHandler</servlet-name> <url-pattern>/secure/login</url-pattern> </servlet-mapping> h ...

IoC Container Basics The Spring IoC (Inversion of Control) container manages application components and their lifecycle. Instead of creating objects manually, you define beans in configuration, and the container handles instantiation and wiring. Defining Beans A bean definition specifies how an object should be created and managed. In XML confi ...