Programmer Think

Author: Xiao Fu Ge Blog: https://bugstack.cn Precipitate, share and grow, so that you and others can gain something! 😄 1, Foreword what? Java interview is like building a rocket 🚀 Simple! In the past, I always wanted to have a good interview in Java interview. GAHA always tests some things that can't be used in work. I can use Spr ...

Followed by an understanding and source code interpretation of spring IOC (I) refresh method @Override public void refresh() throws BeansException, IllegalStateException { synchronized (this.startupShutdownMonitor) { StartupStep contextRefresh = this.applicationStartup.start("spring.context.refresh"); // Prepare this context f ...

preface Circular dependency in Spring has always been a very important topic in Spring. On the one hand, it is because the source code has done a lot of processing to solve circular dependency. On the other hand, if you ask a higher-level question in Spring during the interview, circular dependency must not escape. If you answer well, then thi ...

Look first spring boot 2. X actor monitoring / health check / audit / statistics Based on the above code modification Source code: https://github.com/langyastudio/langya-tech/tree/springboot/scheduling Official documents: https://docs.spring.io/spring-framework/docs/current/reference/html/integration.html#scheduling-annotation-support ...

Scheduled task component Quartz 4.1 introduction to quartz Quartz is Job scheduling** (Job scheduling) is an open source project in the field. Quartz can be used alone or integrated with the spring framework * *, which is generally used in actual development. Quartz can be used to develop one or more scheduled tasks, and each scheduled task c ...

Quote the original text: https://www.cmsblogs.com/article/1391375600689745920 [Spring 39/43] - Environment & Properties of Spring: PropertySource, environment, Profile text Spring. profiles. I believe you are familiar with active and @ Profile, The main function is to switch the parameter configuration in different environments (developme ...

This article is excerpted from Spring 5 core principlesBefore reading this article, please read the following:30 classes of custom ORM for handwritten Spring core principles (Part 1) (6)Custom ORM of 30 classes handwritten Spring core principles (Part 2) (7)4. Underlying principle of dynamic data source switchingHere is a brief introduction to ...

SpringBoot auto configuration principle What is auto configuration? When learning about SSM development projects, we need to introduce the dependencies of spring, spring MVC and mybatis, and use configuration files or java config to configure components such as configuration view parser. However, springboot provides us with a convenient devel ...

preface This blog only talks about how to realize multi data source configuration in Spring Boot project from zero to one, not about the source code (later, Spring Boot automatic configuration and other source codes). This blog is based on spring boot version 2.5 1. background Multiple data sources need to be connected in a project. We nee ...

Objectives: Mybatis and spring integrationAop integration pagehelper plug-in 1, Mybatis and spring integration Comparison of hibernate and spring integration 1. Import pom dependencies 1.1 add spring related dependencies (5.0.2.RELEASE)        spring-core        spring-beans        spring-context        spring-orm        spr ...