spring framework interview questions

The last interview was asked the difference between the IOC and DI, did not care, yesterday was asked, it feels a little pity. Take some time tonight and check out the official spring documentation. Found that IOC is more of an idea, and Di is an act. In order to reduce the coupling of the program, what happens in the process of injecting the objects that spring

package to measure the success of the SPRINGMVC framework.package com.flyme.controller;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;@WebServlet("/myController")public class AdminController extends HttpServlet { @Override protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws Se

Introduction: Spring has been widely used as one of the best frameworks in the present, and there are many articles on its analysis. From another perspective, this article will try to dissect the design concept of the Spring framework's skeleton architecture by the author of the design Spring framework, and how many co

beans will be created by this classAttention:Declare a few questions before example:1, the annotations need to rely on the Spring-aop-4.3.9.release.jar package, so you need to import the dependency package. 2, using the annotation method injection, the configuration file needs to add the constraint header file: xml version= "1.0" encoding= "UTF-8" ?> beans xmlns = "Http://www.springframework.org/sch

Objective In the Spring Framework official documentation, the three were put together, but there was no explanation why they were put together. Probably the default is that the reader is a person with relevant experience, but that is not the case, for example, me. Fortunately, bored head to see again, and check the data and knock code, finally understand. In fact, to put it bluntly, we use an example to exp

Brief Analysis of ICO and AOP in Spring framework The Chinese name of IoC (Inversion of Control) is "Control Inversion", that is, the application itself is not responsible for the creation and maintenance of dependent objects. The creation and maintenance of dependent objects are the responsibility of external containers. In this way, the control right is transferred from the application to the external con

The main contents of this section:1: Thinking question: How to read multiple configuration files, what if the file does not exist2: Configure the database connection poolStatement:This is the important note for the Spring boot framework to learn preschool (4)-Read the external resource Profile 2 by annotating the Edith with you learning Series-Framework Learning

Tag: NET JDBC Client part strip-name CEP database connection location Public Number: Compassblog Welcome to pay attention to, forward, learn from each other and progress together! Have any questions, please contact the background message! 1. Spring Framework integrates DAO template JDBC:org.springframework.jdbc.core.JdbcTemplate

Keywords related to this article: Spring @Scheduled perform two times of problemWorking with components: Spring Framework Web MVCThe behavior is as follows: The method that uses the @scheduled annotation executes twiceEnter keywords via google: Spring @scheduled called twice, which shows many people experiencing simila

All along, we have applied a lot of AOP framework, but for the implementation of AOP is not too much in-depth, the proverb is "know it, do not know why", with the sudden rise of the academic discussion of AOP, I also opened up their horizons, in-depth understanding of the colorful world of AOP!Let's take a look at the definition of Volkswagen:Baidu Encyclopedia:In the software industry, AOP is the abbreviation for Aspect oriented programming, which me

https://docs.spring.io/spring-framework/docs/current/javadoc-api/org/springframework/web/bind/annotation/ Restcontroller.htmlhttps://www.genuitec.com/spring-frameworkrestcontroller-vs-controller/https://dzone.com/articles/spring-framework-restcontroller-vs-controller/https:/

Has always been, we have applied a lot of AOP framework, but for the low-level implementation of AOP is not too much depth, the saying is "know it, do not know why", with the sudden rise of AOP academic discussion, I also opened up their horizons, in-depth understanding of the colorful AOP of the world. Let's take a look at the public definition: Baidu Encyclopedia: In the software industry, AOP is the abbreviation of Aspect oriented programming, whi

org.springframework.web.bind.annotation.ResponseBody;import com.maven01.dto.*;import com.maven01.pojo.Employee;import com.maven01.service.IEmployeeService;@Controller@RequestMapping("/mvc")public class DemoController {@Resourceprivate IEmployeeService employeeService;@RequestMapping(method = RequestMethod.GET, value = "/getEmployeeList", produces = "application/json")public @ResponseBody List Running result This project code has been submitted git, https://github.com/hbb0b0/springMyBatis.git P

ThymeltesysThymelte is a spring Boot Oauth2-based scan login framework that uses PostgreSQL to store data and then slowly supports other relational databases. Even if you don't use the entire framework, you can easily integrate into existing projects by using only the modules.Project Address Https://github.com/jeesun/thymelteI hope you will support us and point o

JSP ' login.jsp ' starting pagetitle> - the Metahttp-equiv= "Pragma"content= "No-cache"> - Metahttp-equiv= "Cache-control"content= "No-cache"> - Metahttp-equiv= "Expires"content= "0"> - Metahttp-equiv= "keywords"content= "Keyword1,keyword2,keyword3"> + Metahttp-equiv= "description"content= "This is my page"> - + " href= "Styles.css" > A - at - Head> - - Body> - formAction= "POST"Method= "Get"> -First Name:BR> inputtype= "text"name= "FirstName"> BR> inLast Name:BR> inputtype= "text

Method StubSystem.out.println ("setbeanname is called with value" +arg0);} The method can be passed beanfactorypublic void Setbeanfactory (beanfactory arg0) throws Beansexception {//TODO auto-generated method StubSystem.out.println ("setbeanfactory" +arg0); The method passes the context applicationcontextpublic void Setapplicationcontext (applicationcontext arg0) throws Beansexception {//TODO Auto-generated Method StubSystem.out.println ("setapplicationcontext" +arg0); public void init () {Syst

package of the Dispatcherservlet class, Default_strategies_ The value of path is dispatcherservlet.properties. So the defaultstrategies inside is stored in the org.springframework.web.DispatcherServlet.properties inside the definition of the key value pair, code as above.As you can see, the types of different components are defined here, there are 8 components defined, there is no default configuration to handle the upload component Multi-partresolver, it is easy to understand, not every applic