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What is SPI technology The full name of SPI is Service Provider Interface, which means Service Provider Interface. If we don't write framework code or develop plug-ins, we may not be so familiar with SPI mechanism, but if we read such as Dubbo and JDBC database Driver package, Spring and the recently popular Spring Boot related starter compo ...

Boot load auto configuration @SpringBootApplication analysis @SpringBootConfiguration @EnableAutoConfiguration @ComponentScan( excludeFilters = {@Filter( type = FilterType.CUSTOM, classes = {TypeExcludeFilter.class} ), @Filter( type = FilterType.CUSTOM, classes = {AutoConfigurationExcludeFilter.class} )} ) ssdss@Spr ...

The life cycle of a Bean can be divided into four steps Bean instantiationBean attribute assignmentBean initializationDestroy In traditional Java applications, the life cycle of a Bean is very simple. Instantiate a Bean using the Java keyword new, and then the Bean can be used. Once the Bean is no longer used, Java automatically garbage colle ...

Spring MVC overview Spring MVC is a web framework based on MVC design concept officially provided by spring. (equivalent to Servlet) Spring MVC is a framework for MVC control based on Servlet encapsulation. Realize the data interaction between the front end and the server. Comparative advantages of Spring MVC and Servlet Strictly abid ...

This article will explain based on Maven project. If you don't understand maven, you can refer to the previous article published   Rely on the downloaded Maven website: https://mvnrepository.com/   Struts2   What is struts? A web application framework designed based on mvc pattern is an upgraded version of struts 1, which ...

The book follows the above and continues to learn SpringCloud Config from Mr. Zhou Yang. It is hereby sorted out as follows 1, Config configuration center In the distributed system, due to the huge number of services, in order to facilitate the unified management and real-time update of service configuration files, distributed configurati ...

Write in front # Following the previous article, this article mainly looks at the source code of the whole RMI process and makes a simple analysis RMI source code analysis # Let's review the RMI process first: Create a remote object interface (RemoteInterface)Create a remote object class (RemoteObject) to implement the remote object interfa ...

Getting started with Spring Security 1, Use of Spring Security 1.1 basic terms Spring Security is a powerful and highly customizable authentication and authorization framework. It is a set of Web security standards for spring applications. Spring Security focuses on providing authentication and authorization functions for java applicatio ...

home pagespecial columnjavaArticle details0High frequency interview question: a picture to thoroughly understand Spring circular dependencyJava general Published 10 minutes ago1 what is circular dependency?As shown in the figure below:BeanA class depends on BeanB class, and BeanB class depends on BeanA class. This dependency forms a closed loop ...

Database connection pool Concept: in fact, it is a container (Collection) for storing database connections After the system is initialized, the container is created, and some connection objects will be applied in the container. When the user accesses the database, the connection objects will be obtained from the container. After the user ...