[Translate]5-spring Hello World

This article uses the step-by-step way to carry on the explanation, later the article has been slightly written.

New Java Project

Open Eclipse. File->new->java Project

Fill in the project basic information, here we only need to provide the project name can

Click Finish, should appear similar to the following interface

Adding dependent jar Packages

Right-click on the Hellospring project and follow the instructions

In the pop-up window, Libraries tab, select Add External Jars

Add the following jar package:

Create a source file

Create the Com.tutorialspoint package as follows:

Fill in the package name in the popup window

Click Finish.

Create the Helloworld.java in the package com.tutorialspoint. Right-click on the package and proceed as follows

Write the class name in the popup window

Enter the following code in the Helloworld.java class file:

 Package Com.tutorialspoint;  Public class HelloWorld {   private  String message;     Public void setmessage (String message) {      this.message  = message;   }     Public void GetMessage () {      System.out.println ("Your message:" + message);}   }

Create the Mainapp.java in the same way in the package Com.tutorialspoint, and enter the following code:

 PackageCom.tutorialspoint;ImportOrg.springframework.context.ApplicationContext;ImportOrg.springframework.context.support.ClassPathXmlApplicationContext; Public classMainapp { Public Static voidMain (string[] args) {ApplicationContext context=NewClasspathxmlapplicationcontext ("Beans.xml"); HelloWorld obj= (HelloWorld) context.getbean ("HelloWorld");   Obj.getmessage (); }}

In Mainapp.java we need to pay attention to the following two points

• In the first step we first created the spring container, using an instance of the Classpathxmlapplicationcontext class to create the spring container.
  When creating a spring container, the framework looks for beans.xml under the classpath and finally creates and initializes the container based on the contents of the Beans.xml.
  The bean instance in the.
• In the second step we use the Getbean method of the container to get an instance of the container.

Creating a bean's configuration file

and enter the following in the newly created file:

<?XML version= "1.0" encoding= "UTF-8"?><Beansxmlns= "Http://www.springframework.org/schema/beans"Xmlns:xsi= "Http://www.w3.org/2001/XMLSchema-instance"xsi:schemalocation= "Http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/ Spring-beans-3.0.xsd ">   <BeanID= "HelloWorld"class= "Com.tutorialspoint.HelloWorld">       < Propertyname= "message"value= "Hello world!"/>   </Bean>

</Beans>

Run

[Translate]5-spring Hello World