Programmer Think

Chapter 1 control inversion / dependency injection in Spring review Add, delete, modify and check. Pre class test: Contents of this chapter Spring: Spring IOC: give the power to create objects to the spring core container. Factory mode BeanFactory: lazy man ApplicationContext: hungry man < bean id="" name="" class="" scope="" > T ...

1. What is Shell Shell is a command line interpreter. It is a black window. When we issue some commands to Linux, Shell translates these commands into the actions that kernel can understand, then calls the kernel, operates the hardware, completes the operation, and then translates the signals into adult understandable forms. Shell is also a p ...

Statement: This article is the notes sorted out according to the blogger's learning content. It is only used for exchange learning. If you need to watch the video, please move to: http://www.atguigu.com/ 1.Filter ？ What is a filter Filter filter is one of the three major components of Java Web. The three components are: Servlet program, List ...

Branch statement Process control Classification: sequential structure, branch structure (if, switch), circular structure (while, do... While, for) Sequential structure Sequential structure is the simplest and most basic process control in the program. There is no specific syntax structure. It is executed in sequence according to the sequenc ...

1. Overview Hello, I'm Ouyang Fangchao. Today's event is still related to swagger (to be exact, knife4j). In the SpringBoot project integrating swagger, the dependencies introduced are as follows: <!-- https://mvnrepository.com/artifact/io.springfox/springfox-boot-starter --> <dependency> <groupId>io.springfox</group ...

2022Java learning notes 36 (object-oriented enhancement: abstract classes, abstract class cases) 1, Abstract class A parent class knows that all its subclasses need to complete a function, but the completion of each subclass is different. The parent class can only define the basic requirements of the function for a long time, and the speci ...

It is just a most common registration and login page written by Java Web for beginners. You only need to enter your user name and password Only part of the java code is listed and explained. The database, configuration process, configuration file and html front-end interface follow their own capabilities I First use the JDBC utils tool class ...

Java EE - Spring learning notes 01 [Ioc development model] Java EE - Spring learning notes 02 [integration of Spring and Mybatis] Java EE - Spring learning notes 03 [AOP development] Java EE - Spring learning notes 04 [transaction management of Spring] Java EE - Spring learning notes 05 [Mybatis's retrograde project] catalogue 6, Tr ...

TIP This article is included in< Introduction · YuQue >For more in-depth articles, please go to< Introduction · YuQue> . data type There are eight basic data types in the Java language: boolean/1byte/8char/16short/16int/32float/32long/64double/64 The eight basic data types are divided into four categories: ...

Recently, I went out for an interview and wrote some technical points about Mybatis in my resume, so the interviewer began to ask me constantly. This article specially records some problems encountered in the interview. What is Mybatis Mybatis is a persistent SQL framework that encapsulates SQL to a certain extent. It encapsulates the commonl ...