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preface Tip: when you read this article, you must have a strong desire to learn about multithreading. Then this article will describe in detail the simple use and in-depth understanding of Synchronized keywords, deadlocks, simple use in thread communication, waiting notification mechanism, thread lounge, producer and consumer operation v ...

Jellyfish is a lightweight, Java written, distributed microservice real-time monitoring system that can seamlessly connect Spring Boot or Spring Cloud projects The monitoring function provided by Jellyfish is mainly divided into two parts: Unified collection and query of application logsCount and monitor three indicators of HTTP interface of ...

preface In the above tutorial, I} introduced you to the Hazelcast framework. Next, we will use the framework to realize the distributed cache function. I Implementation steps of distributed cache code 1. Create a Web project According to our previous experience, we create a Web program and transform it into a Spring Boot project. The specif ...

1, Flyway introduction demo address Flyway Is an open source database version management tool. It can be easily used on the command line or introduced in Java applications to manage our database version. In a project or product, it is difficult to clarify the business and design the database table at the beginning, so the data table will con ...

Abstract: This paper introduces four ways to implement general auth in spring boot, including traditional AOP, interceptor, parameter parser and filter, and provides the corresponding example code. Finally, it briefly summarizes their execution order. This article is shared from Huawei cloud community< Code farming architecture | four ways o ...

The framework brings a lot of convenience to our development, and the use of many previously learned knowledge will be slightly different in the framework. This article mainly describes the use of filters and interceptors in the framework, and analyzes the relationship and differences between filters, interceptors and AOP filter The function ...

SpringBoot + interceptor + custom exception + custom annotation + global exception handling, simple interface permission management https://mp.weixin.qq.com/s/9C5gH28MQECT8n3NBbLdCQ I think an interceptor plus other processing can meet the needs of the project. Why should I use another framework, I divide permission management into three par ...

Define your own starter SpringBoot entry to mastery - Spring annotation programming (1)SpringBoot introduction to mastery - SpringBoot Introduction (II)Introduction to SpringBoot - proficient in the basic use of Spring (3)SpringBoot entry to mastery - SpringBoot integrated SSM (IV)SpringBoot introduction to mastery - SpringBoot automatic confi ...

1. Description The last article wrote a simple version of SpringBoot custom starter. The core principle is that during SpringBoot startup, it will get meta-inf / spring. Inf in all jar packages under the classpath Factories file, go to org. Org springframework. boot. autoconfigure. Enableautoconfiguration configuration item to judge whethe ...

Operating Excel to import and export is a very common requirement. A very useful tool was introduced earlier EasyPoi  . Some readers suggested that in the case of a large amount of data, EasyPoi occupies a large memory and its performance is not good enough. Today, I recommend a better Excel import and export tool EasyExcel. I hope i ...