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↓↓↓ registration method: (slide to the bottom of this page) 🍅 Supporting articles for Java learning route: Summary of java learning route, brick movers counter attack Java Architects (the strongest in the whole network) 🍅 Basic recommendations: Java foundation tutorial series 🍅 Practical recommendations: Spring Boot ba ...

1. What are the ways of communication from child thread to main thread? The principle of sub thread to main thread communication? This is a unique concept of Android. Communication mode between threads: eventbus, rxjava, livedata. However, the underlying principles of these methods are based on handler, so I will explain the principle of handl ...

Definition and application scenario Singleton mode refers to ensuring that a class has only one instance and provides a global access point. The singleton pattern is a creation pattern. The application scenarios are as follows: Connection poolapplicationContext in spring Several ways of writing singleton mode Hungry Han style single cas ...

spring -- failure analysis of Java Proxy and Cglib method nested call proxy This paper mainly analyzes the different reactions of the two proxy methods when methods are nested. This paper is the last one Spring -- configuration class parsing process Configure derivatives. This article is not an expository text used by Java proxy and Cglib. Of ...

Using fluent mybatis, you don't have to write specific xml files. You can construct more complex business sql statements through java api to achieve the integration of code logic and sql logic. You no longer need to assemble queries or update operations in Dao, or reassemble parameters in xml and mapper. Compared with native Mybatis, Mybatis Pl ...

This series is a series of practical tutorials of Spring Cloud microservice. Before Introduction to Spring Cloud Eureka (I) detailed explanation of service registry Talked about Spring Cloud Eureka. Let's talk about Alibaba's open source Nacos today~1, What is Nacos?Let's first understand that Spring Cloud Eureka is based on Netflix Eureka (Net ...

catalogue   Introduction to MyBatis Basic use of MyBatis         1. Prepare database information          2. Create a maven project         3. Import the corresponding jar package into the pom.xml file         4. Create the correspo ...

Chapter 3 linked list 3.1 linked list 3.1.1 introduction to linked list Linked lists are stored in node mode, and the storage space is not necessarily continuousEach node contains a data field and a pointer fieldEach node is not necessarily continuous storageIf the linked list has a leading node and a non leading node, which one to use i ...

Introduction          In our development process, we often see that there are null value judgments everywhere in the project. These judgments will make people feel confused. It is likely that its emergence has nothing to do with the current business logic. But it will give you a headache. Sometimes, the ...

Course summary of VIP innovation project 1 semester 1 of 2021-2022 academic year 1. Java Foundation 1.1 how does java code execute reference resources: https://zhuanlan.zhihu.com/p/92906774 The Java execution process is as follows: Write Java code in the specified directory. The source code of Hello.java is as follows: class Hello{ p ...