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Interface business scenario: used to formulate standards, global constants and public abstract methods 1. Interface Overview Interface: encapsulate some methods that are not implemented; Subclass implementation interface: all abstract methods of the interface must be implemented rule of grammar interface Interface name{ //1. Attrib ...

Pain point of the original project (process control problem) Software testing, document generation, packaging and release - it's best to be automated (one click release)The project relies on a large number of third-party jar packages, which is complex and difficult to manage - POM xmljar is a different manufacturer, and there are too many down ...

Login and registration is a common function of the website. This article implements a small demo of this function according to the tutorial of dark horse programmer. reference resources: https://www.bilibili.com/video/BV1Qf4y1T7Hx?p=109 maven file download: https://download.csdn.net/download/qq1198768105/79568473 Login function Train of tho ...

In the SpringBoot project, the permission of the current login is controlled by integrating Shiro security framework. The requirements are as follows: A page index There are ADD and UPDATE links on HTML. Click the ADD link to jump to ADD HTML page; The same is true for UPDATE links. There are now two users: root and tom. Root user only has ...

Framework overview The so-called framework is actually the framework of the program. In this framework, the basic framework of the program is built, and convenient solutions are given for the general problems of the program, which can enable developers to quickly develop specific applications based on the framework. Common framework SSH: st ...

Using idea to create a spring Boot project Add web dependency support <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> >Run first SpringBoot project @RestController public class First ...

Chapter 13 IO flow Use of File class 1. An object of file class, which represents a file or a file directory (commonly known as folder) 2. The file class is declared in Java Under IO package 3. The file class involves the creation, deletion, renaming, modification time, file size and other methods of files or file directories, and does not ...

1. Basic configuration of spring When xml is injected, the value of value is given to the constructor. When it is created, it is not assigned a name variableMulti tag getBeanimport, which is used to merge xml configurations (generally used by teams, when each person develops different types and needs to configure them together) The remaini ...

Git of Shang Silicon Valley Technology Course Series Curriculum resources https://www.bilibili.com/video/BV1vy4y1s7k6 1. Git overview Git is a free and open source distributed version control system, which can quickly and efficiently deal with all kinds of problems from small to large project Git is easy to learn, small footprint and extreme ...

Let's review the directory structure of maven specification: 1. Build Maven project manually Let's start by creating maven projects manually (1) Create the directory mvnproject under disk D and enter it as our operation directory (2) Create our maven project, create a directory project Java as our project folder, and enter it (3) Create ...