Programmer Group

Principle of Redis implementing distributed lockWe talked about the application of Redis in the actual business scenario. Now let's learn about the application of Redisson functional scenario, that is, the implementation scenario of distributed locks that we often use.The concept of distributed lock will not be described in this paper.• in ...

Reference connection @Use of JsonFormat and @ DateTimeFormat annotations: https://www.cnblogs.com/mracale/p/9828346.html com.fasterxml.jackson tool class: https://www.cnblogs.com/loong-hon/p/10315000.html Detailed summary and usage of Jackson API: https://blog.csdn.net/wangmx1993328/article/details/88598625 com.fasterxml.jackson introduction ...

In the last article, we talked about flashbacks, and then we talked about tuples, about lists and characters. Variables can be viewed by clicking my home page. Remember to click follow. if statement if keyword or condition judgment: Condition (i.e. expression): Conditions can also be output statements name = 'Qing'an' if name == 'Qing'an': ...

RPC (remote procedure call) remote procedure call RPC is used to communicate between the Java processes of two hosts in distributed applications. When host A calls the methods of host B, the process is simple, just like calling the methods in its own process. The responsibility of RPC framework is to encapsulate the details of the underlying c ...

1 static 1.1 concept Is a keyword in java Used to decorate members (member variables and member methods) 1.2 features 1.static can modify member variables and methods 2. Resources modified by static are called static resources 3. Static resources are loaded with the loading of classes. They are loaded first and take precedence over objects 4. ...

1, Class and Java reflection Class textFieldC=tetxField.getClass();      // Tetxfield is a JTextField class object Main description of reflection accessibility   1. Access construction method Each Constructor object represents a construction method, and the corresponding construction method can be manipulated by ...

Seventh Week Meeting Minutes Preface1. Photos of division of work among members and regular meetings2. Everyone's code and documentation 1. User login, rights management2. Publish, comment, search summary Preface This week we held our second discussion, in which we focused on the overall task and individual division of ...

Original website: Java multithreading -- ReentrantLock -- use / example / principle_ CSDN blog brief introduction explain          This article introduces ReentrantLock (reentrant exclusive lock) in Java's JUC. Including: usage and principle. summary         ReentrantLock is mainly implemented ...

Exchange Group: 876618546           Exchange Group: 876618546 Direct boarding link Catalog I. Preparations   2. Start building 1. Install docke and set up boot-up 2. Draw the green dragon panel 3. Log on to the Qinglong panel 4. Pull Timer Task Script Warehouse 5. Apply Settings Configu ...

On the simple realization of Sanzi chess game and the method of judging the victory of N-zi chess To realize the Sanzi chess game, the following requirements need to be realized: > We need a chessboard. Since we need a chessboard, the chessboard is on a plane, so we need to create a two-dimensional arrayPrinting of chessboardPlayers play c ...