Programmer Think

📢📢📢📣📣📣 Hello! Hello, everyone. I'm [one heart classmate], a highly motivated [Java domain blogger]! 😜😜😜 ✨ Writing style of [one heart students]: I like to explain every knowledge point in [easy to understand] style, rather than using [tall and tall] official statement. ✨ The field of the blog is the learning of back-end tech ...

brief introduction To be frank, there is a class called properties in Java. This class is mainly used to read Java configuration files. Different programming languages have their own supported configuration files. Many variables in the configuration file are often changed. In order to facilitate user configuration, users can modify relevant va ...

In the last section, we introduced SpringBoot How to start a built-in tomcat of We know we're here SpringBoot Projects can be used directly, such as @RequestMapping This kind of SpringMVC Will the students be surprised Strange, why? I have no configuration SpringMVC Why can it be used? In fact, it only introduces ...

1, Introduction TestNG is a JUnit and NUnit inspired testing framework designed to simplify a wide range of testing requirements, from unit testing to interface testing. However, some new functions have been introduced to make it more powerful and easier to use, such as: notes.Run tests in the thread pool and provide various available strateg ...

I Shortcut key A common shortcut Alt + Enter: reference class or prompt Ctrl +O: view the methods in our inherited class or interface and the methods we want to implement Ctrl + Alt + b: view the methods in the interface implementation class (that is, when we use interface programming, when we call the implementation class method, we can o ...

background Generally, when creating a new project, you select maven or spring initializr to generate the project, and then go through a series of modifications, configurations and adding some styles of your own project. As microservices are becoming more and more popular, a project needs to create many new microservice projects. Each time a n ...

Why should we learn maven? Before maven was born, we had a lot of inconvenience in making the project. 1: jar packages are hard to find 2: jar package dependency 3: Jars are inconvenient to manage (manage jar s according to different functions) 4: Project compilation Introduction to Maven Maven is an open source project o ...

In the java field, SpringBoot is a very useful framework that can quickly build web projects. Here is a record of using SpringBoot to upload, download and preview files online. 1. Create database and database tables This paper mainly uses the user and the files to which the user belongs, so we only need to design the user table and file tab ...

Operating environment: Development tools: IDEA /Eclipse Database: mysql5 seven Application service: Tomcat7/Tomcat8 Using framework: Spring + spring MVC + mybatis Cosmetics are basically one of the essential items for every beauty family. There are many kinds of cosmetics. There are many channels for cosmetics. What is more reliable is to buy ...

Operating environment: Development tools: IDEA /Eclipse Database: mysql5 seven Application service: Tomcat7/Tomcat8 Using framework: java+jsp Project introduction This subject is a management system based on JSP. The salary management system of College employees based on JSP is developed by using JSP and Mysql tools under the environment of ...