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springboot2. Use Shiro under 0 framework introduce Shiro is an open source project under Apache. It is an easy-to-use security framework that provides many functions, including authentication, authorization, encryption, session management and so on. Shiro uses a relatively simple and easy-to-use authorization method. Shiro is a lightweight fr ...

Common methods of P471String class - common methods of P477StringBuffer Common methods of P471String class // 4.indexOf gets the index of the first occurrence of the character in the string object. The index starts from 0. If it is not found, it returns - 1 String s1 = "wer@terwe@g"; int index = s1.indexOf('@'); int index = s1.indexOf( ...

UI - JFrame class thinking Design your own UI class. There are interface initialization functions.There is a running function to generate a UI object and execute the initialization method. How to design initialization function Use the JFrame class to create a form (window). Interface designListening event - trigger function Interface desig ...

0 overview Make one jiavaweb You can finish the hand training project javaweb The application of knowledge points in the project can also exercise the logical idea of function realization. Let's take a look at the effect diagram below The project is divided into two parts. The first part mainly completes the function of student manag ...

Title Content: An airline has different offices in different countries and places where its flights arrive. This project requires the development of an automated software system, which will be provided to the managers (role=1) and ordinary users (role=0) of these offices to manage flight information. According to the above description, the u ...

Classes What is a class? It can be simply understood as category, type and chestnut: everyone is human, that is, human, here is a category, everyone has many common characteristics (attributes), behavior (methods). Features are that everyone has names, age, gender and so on, that is, attributes in the class. Behavior is eating, sleeping (s ...

https://mybatis.org/mybatis-3/zh/index.html 1, Mybatis official website definition Mybatis configuration 1. Type aliases Type alias sets an abbreviated name for a Java type. It is only used for XML configuration and is intended to reduce redundant fully qualified class name writing. For example: <typeAliases> <typeAlias alias ...

JavaSE 39 basic exercises This article is to help learn the basic Java program. I hope you can practice. I typed the code myself. I hope you can have your own program ideas. Please forgive me for your shortcomings. 1. Fibonacci sequence Title: classical question: a pair of rabbits give birth to a pair of rabbits every month from the ...

1. Get the spring framework source code 1.1 clone mode git clone https://github.com/spring-projects/spring-framework.git cd spring-framework git checkout 5.2.x # Switch to the branch you need 1.2 download mode Access the github address of spring( https://github.com/spring-projects/spring-framework )Then switch to the branch you need to dow ...

Chapter 12 collection (ArrayList LinkedList generic) Tip: Here you can add the general contents to be recorded in this article: For example, with the continuous development of artificial intelligence, machine learning technology is becoming more and more important. Many people have started learning machine learning. This paper introduces t ...