Everyone can learn how to quickly build the Spring MVC framework (IDEA environment, Gradle construction, introduction to xml configuration file) to make the introduction to Spring simple and clear

preface What is MVC mode In the classic MVC mode, m refers to the business model, V refers to the user interface, and C is the controller. The purpose of using MVC is to separate the implementation codes of M and V, so that the same program can use different forms of expression—— An idea of design pattern Spring MVC is a modu ...

Added by wendu on Mon, 27 Dec 2021 08:38:04 +0200

ArrayList collection Foundation

aggregate Comparison of differences between sets and arrays Set basis Comparison of characteristics between set and array Features of collection class: it provides a storage model with variable storage space, and the stored data capacity can be changedThe difference between a set and an array: they all have in common: they are containers fo ...

Added by pixelsoul on Mon, 27 Dec 2021 03:16:07 +0200

Text extraction (Java+Tesseract_OCR)

development environment System: windows 11 jdk: 1.8 Framework: spring boot 2.1 4 + maven Tool: idea Tesseract installation Related links Official website: https://github.com/tesseract-ocr/tesseract Official documents: https://github.com/tesseract-ocr/tessdoc Language pack address: https://github.com/tesseract-ocr/tessdata Download addr ...

Added by Xager on Sat, 25 Dec 2021 14:58:50 +0200

Java Chapter 5 object oriented programming (middle)

Object oriented inheritance II 1, Inherited benefits 1. Reduce the complexity of the code and improve the reusability of the code 2. Convenient for function expansion 3. It provides a premise for the use of polymorphism 2, Inherited format class A extends B{ } A: Subclass, derived class, subclass B: Parent class, superclass, base class, sup ...

Added by killah on Fri, 24 Dec 2021 11:50:51 +0200

To connect to a database using JDBC

Hello, everyone. Today I'd like to share with you the steps of JDBC connecting to the database. Steps to connect JDBC to database: 1. Load database driver 2. Get connection to database 3. Gets the execution object used to execute sql commands 4. Execute 5. Processing results 6. Recycling resources 1. Loading database driver: the higher ...

Added by snday on Mon, 20 Dec 2021 05:19:44 +0200

Java network program related to IO, NIO and Netty -- chat program in C/S mode based on TCP

1, IO TCP chat program 1. IO introduction ① Server blocking point server.accept(); When getting sockets inputStream.read(bytes); When the input stream reads data pass ② The unified socket is a short connection and can be used as a short connection server. It cannot make a long connection. It belongs to the ask and answer mode. For exam ...

Added by FD_F on Thu, 16 Dec 2021 16:47:16 +0200

Sogou log query analysis (MapReduce+Hive+idea comprehensive experiment)

prerequisite: Install Hadoop 2 7.3 (under Linux system) Install MySQL (under Windows or Linux system) Install Hive (under Linux system) reference: Hive installation configuration Title: Download search data from Sogou lab for analysis The downloaded data contains 6 fields, and the data format is described as follows: Access time user ID ...

Added by cheekychop on Sun, 12 Dec 2021 13:58:21 +0200

Develop a DDD scaffold based on IDEA Plugin

Recently, I am interested in expanding various functions in combination with the development capability of IDEA Plugin. Based on this, different cases are used to explore the IDEA Plugin plug-in development technology. I hope this systematic learning and verification summary can help more partners who need this technology.Source address: ...

Added by MattSharp on Sat, 11 Dec 2021 10:04:24 +0200

SpringBoot integration Mybatis super detailed process

In the past, there were many configuration files in the traditional ssm framework. After reading the documents for several days, I made a mess of the logical relationship of xml. At that time, I completely followed the version requirements of the demo on the Internet (jdk and tomcat), so in the end, I failed to run with various problems. Today ...

Added by qiangxd on Tue, 07 Dec 2021 22:43:19 +0200

Rocket Message Queue installation and application (summary)

Message: information carrier            Queue: data structure, first in first out   Several application mechanisms of message queuing: 1. Asynchronous communication The communication mode of message queue is similar to that of distributed service call, but asynchronous communication ...

Added by sparrrow on Tue, 07 Dec 2021 15:54:03 +0200