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🍅 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 ...
Posted on Sun, 05 Dec 2021 22:21:50 -0500 by kpzani
Handler interview things
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 ...
Posted on Sun, 05 Dec 2021 21:29:14 -0500 by rcity
[design mode - singleton mode]
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 ...
Posted on Sun, 05 Dec 2021 20:53:48 -0500 by georgen
spring -- behavior analysis of proxy object during nested call of Java Proxy and Cglib methods
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 ...
Posted on Sun, 05 Dec 2021 20:53:49 -0500 by Crowly
Goodbye, MybatisPlus, Ali launches new ORM framework
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 ...
Posted on Sun, 05 Dec 2021 20:51:29 -0500 by scialom
Deployment steps and usage of Nacos local stand-alone version
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 ...
Posted on Sun, 05 Dec 2021 20:45:10 -0500 by shane85
Use and optimization of MyBatis
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 ...
Posted on Sun, 05 Dec 2021 20:39:34 -0500 by bmpco
Shangsilicon Valley data structure and algorithm self-study notes Chapter 3 linked list
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 ...
Posted on Sun, 05 Dec 2021 20:37:55 -0500 by elflacodepr
Java: how to handle null values more gracefully?
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 ...
Posted on Sun, 05 Dec 2021 20:33:05 -0500 by Toxinhead
Course summary of VIP innovation project 1 semester 1 of 2021-2022 academic year
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 ...
Posted on Sun, 05 Dec 2021 19:14:18 -0500 by mewhocorrupts