Java
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Spring cloud config high availability configuration instance code of spring cloud distributed configuration center
1、 Introduction When deploying the configuration center to the production environment, we also want it to be a highly…… -
Java uses regular expressions to determine mobile phone numbers
This article describes how Java uses regular expressions to judge mobile phone numbers. Share with you for your refere…… -
Implementation code of Java calling Chuang LAN 253 SMS verification code
Java calling SMS interface API based on Chuang LAN 253 SMS service platform summary The above is the implementation co…… -
A simple online chat function based on java socket (I)
Recently, I did a project, in which there was a demand for online web page communication. I haven't written code for a…… -
Sample code of using spring security to build permission system in spring boot
Spring security is a security framework that can provide declarative security access control solutions for spring base…… -
Java implementation of simple LAN chat function
This example shares the specific code of Java using UDP mode to write chat program for your reference. The specific co…… -
Detailed explanation of Java code annotation specification
Code with comments is very important for program developers. With the development of technology, programmers must be r…… -
In depth analysis of lambda expression of new features of jdk8
The first time I contacted lambda expression was in typescript (superset of JavaScript). At that time, it was used out…… -
Sample code of spring integrating quartz distributed scheduling
preface In order to ensure high availability and high concurrency of applications, multiple nodes are generally deploy…… -
Advanced specification of Java programming format
As a developer, we should have strict code specifications. To this end, I summarized some code specification cases. ca…… -
Detailed explanation of spring boot static variable injection configuration file
This example shares the specific code of spring boot static variable injection configuration file for your reference. …… -
Detailed explanation of string splicing examples in jdk8
preface Among Java developers, string splicing takes up a lot of resources, which is often a hot topic Let's discuss i…… -
Java code annotation specification (power node sorting)
Code annotation is a communication bridge between program designers and program readers to maximize the efficiency of …… -
Detailed explanation of spring cloud retry mechanism configuration
First of all, the retry here is not the retry after an error is reported, but the load balancing client tries other in…… -
Java socket simple chat tool
This example shares a simple socket chat tool for you. I hope you like it. The code runs as shown in the figure, which…… -
Sample code of spring boot integrating spring security
This article describes the integration of spring boot and spring security, using annotations to realize permission con…… -
Config configuration tutorial for getting started with spring cloud
preface This article mainly shares with you the introductory tutorial on spring cloud, which mainly introduces the rel…… -
How to build a stream example in Java 8
Stream first experience Stream is an important feature of operation set in Java 8. Let's take a look at how stream is …… -
An example of realizing sms verification code and international SMS group sending function in Java
Recently, due to the company's business expansion, it is necessary to send international SMS to foreign users, such as…… -
Jdk8 installation and configuration tutorial for Java novice environment
Recently, I have time to write some very simple and basic things, mainly at the operational level. The main considerat…… -
Countdownlatch synchronization tool class usage details
Countdownlatch instructions are for your reference. The specific contents are as follows Countdownlatch is a Java util…… -
First acquaintance with stream in Java 8
Lambda expression is the basis of stream. Beginners are recommended to learn lambda expression first, http://www.jb51.…… -
Using javax Sound to achieve simple audio playback
In this article, we share javax Sound realizes the specific code of simple audio playback for your reference. The spec…… -
Explain in detail the method of countdownlatch blocking threads in Java multithreaded programming
Count down latch. Needless to say, the meaning of the latch, as the name suggests, is to stop progress. This means cou…… -
Detailed explanation of the new atomic operation class longadder in jdk8
preface This article mainly introduces the related contents of the new atomic operation class longadder in jdk8 for yo…… -
Eight common Java nonstandard codes
At work, I recently cleaned up an existing Java project code. After I finished, I found some repeated non-standard cod…… -
Java high concurrency 10: detailed explanation of jdk8’s new support for concurrency
1. LongAdder It is used in a similar way to atomiclong, but its performance is better than atomiclong. Both longadder …… -
About the method of using MySQL stored procedure in mybatis
1. Introduction to stored procedures The SQL statement of our commonly used operation database language needs to be co…… -
Await ()
Countdownlatch source code analysis - await (), the details are as follows The last article talked about how to use co…… -
Java realizes the mutual conversion between picture and binary
The example of this article shares that Java converts images into binary and then converts binary into images for your…… -
Summary of knowledge points about bucket sorting in Java
Foreword: the Symposium on Java data structure and algorithm is updated from time to time. Readers are welcome to supe…… -
Detailed explanation of config modification configuration in spring cloud learning tutorial
We talked about the config configuration of spring cloud before, so how to make the client take effect after modifying……