Spring simple app. Used for tutorial session.

applicationContext.xml

<!-- src/main/resources/applicationContext.xml -->
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:mvc="http://www.springframework.org/schema/mvc"
  xmlns:context="http://www.springframework.org/schema/context"
  xsi:schemaLocation="
        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
        http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">


    <context:component-scan base-package="com.tutorial"/>

</beans>

AppMain.java

package com.tutorial;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;


public class AppMain {

    public static void main(String[] args) {
        ApplicationContext cxt = new ClassPathXmlApplicationContext("applicationContext.xml");
        GreetService svc = cxt.getBean(GreetService.class);
        System.out.println(svc.greet("steve"));
    }
}

Greeter.java

package com.tutorial;

import org.springframework.stereotype.Component;

@Component
public class Greeter {

    public String greet(String name) {
        return "Hello " + name;
    }
}

GreetService.java

package com.tutorial;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class GreetService {
    
    Greeter greeter;

    @Autowired
    public GreetService(Greeter greeter) {
        this.greeter = greeter;
    }

    public String greet(String name) {
        return greeter.greet(name);
    }
    
}

pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.springtut</groupId>
  <artifactId>spring-sample</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>jar</packaging>

  <dependencies>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>3.2.5.RELEASE</version>
    </dependency>
  </dependencies>
</project>