First Java Spring Program using Eclipse

First Java Spring Program using Eclipse

Let us see First Java Spring program using Eclipse.

File -> New -> Project…

Java Project

Project Name : Piyush Spring Welcome

Right Click on src & Select New Package

Package Name : com.piyush

Right Click on com.piyush & Select New Java File

File Name: Welcome.java    &   myMain.java

Right Click on src & Select XML File

File Name: myBean.xml

Right Click on project name & Select Properties

Go to Java Build Path

Click on Add External Jar File

Add 2 Jar file : spring.jar and common-logging.jar

Your Project structures look like below.

Welcome.java

package com.piyush;

public class Welcome {

       private String msg;

       public void setMessage(String msg) {

              this.msg = msg;

       }

       public void show() {

              System.out.println(msg);

       }

}

myMain.java

package com.piyush;

import org.springframework.beans.factory.BeanFactory;

import org.springframework.beans.factory.xml.XmlBeanFactory;

import org.springframework.core.io.ClassPathResource;

import org.springframework.core.io.Resource;

public class myMain {

       public static void main(String[] args) {

              Resource res = new ClassPathResource("myBean.xml");

              BeanFactory factory = new XmlBeanFactory(res);

              Object A = factory.getBean("id1");

              Welcome wb = (Welcome) A;

              wb.show();

       }

}

myBean.xml

<!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN 2.0//EN"

"http://www.springframework.org/dtd/spring-beans-2.0.dtd">

<beans>

       <bean id="id1" class="com.piyush.Welcome">

              <property name="message" value="Welcome To Spring Framework" />

       </bean>

</beans>

Right Click on project name & Select Run As -> Java Application

Output:

Welcome To Spring Framework

If you not add common-ligging.jar then following error will occur: