package com.zzj.bean; 
 
import javax.annotation.Resource; 
 
import org.springframework.stereotype.Component; 
@Component 
public class User { 
  @Resource 
  private Car car; 
 
  public void startCar(){ 
    car.start(); 
  } 
} 

package com.zzj.bean; 
 
import org.springframework.stereotype.Component; 
 
@Component 
public class Car { 
  public void start(){ 
    System.out.println("starting car..."); 
  } 
} 

<?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:context="http://www.springframework.org/schema/context" 
    xsi:schemaLocation="http://www.springframework.org/schema/beans  
      http://www.springframework.org/schema/beans/spring-beans.xsd 
      http://www.springframework.org/schema/context  
     http://www.springframework.org/schema/context/spring-context.xsd"> 
      
    <context:component-scan base-package="com.zzj.bean"/> 
</beans>