Spring Core Learning (1) implements basic containers-including injection and capture capabilities

Source: Internet
Author: User
Tags object object

Preamble: Start learning Spring core ideas, combined with a cottage lite version of spriing code to learn.


Content: 1. beandefinition-Save Bean and configuration information 2. beanfactory-to manage beans.


Beandefinition:
public class Beandefinition {private Object Bean;public beandefinition (Object object) {This.bean = object;} Public Object Getbean () {return this.bean;}}

Beanfactory:
public class Beanfactory {private map<string, beandefinition> beandefinitionmap = new concurrenthashmap<string , beandefinition> ();p ublic Object Getbean (String name) {return Beandefinitionmap.get (name). Getbean (); public void Registerbeandefinition (String name, beandefinition beandefinition) {beandefinitionmap.put (name, beandefinition);}}

HelloWorldService:
public class HelloWorldService {public void HelloWorld () {System.out.println ("Hello World");}}

Beanfactorytest:
public class Beanfactorytest {@Testpublic void Test () {//1. Initialize beanfactorybeanfactory beanfactory = new Beanfactory ();// 2. Inject beanbeandefinition beandefinition = new Beandefinition (new HelloWorldService ()); Beanfactory.registerbeandefinition ("HelloWorldService", beandefinition);//3. Get Beanhelloworldservice HelloWorldService = (helloworldservice) beanfactory.getbean ("HelloWorldService"); Helloworldservice.helloworld ();}}


Spring Core Learning (1) implements basic containers-including injection and capture capabilities

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.