xml - Warning in first Spring project -

i`m beginner in spring. easy example "hello world", have warning.

my pom.xml:

    <?xml version="1.0" encoding="utf-8"?>  <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.pavlo.firstspring</groupid>     <artifactid>mavenspringdevcolibrifirst</artifactid>     <version>1.0-snapshot</version>      <dependencies>          <dependency>             <groupid>org.springframework</groupid>             <artifactid>spring-context-support</artifactid>             <version>4.3.3.release</version>         </dependency>         <dependency>             <groupid>org.springframework</groupid>             <artifactid>spring-core</artifactid>             <version>4.3.3.release</version>         </dependency>      </dependencies>  </project> 

my helloworld.java

package com.pavlo.firstspring;    public class helloworld {      private string message;    public void setmessage(string message){       this.message  = message;  }   public void getmessage(){      system.out.println("your message : " + message);  }  } 

my beans.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"        xsi:schemalocation="     http://www.springframework.org/schema/beans     http://www.springframework.org/schema/beans/spring-beans-4.3.xsd">       <bean id="helloworld" class="com.pavlo.firstspring.helloworld">         <property name="message" value="hello world!"/>     </bean>  </beans> 

my mainapp.java:

package com.pavlo.firstspring;   import org.springframework.context.applicationcontext; import org.springframework.context.support.filesystemxmlapplicationcontext;  public class mainapp {      public static void main(string[] args) {           applicationcontext context =                 new filesystemxmlapplicationcontext("d:/mavenspringdevcolibrifirst/src/main/resources/beans.xml");          helloworld obj = (helloworld) context.getbean("helloworld");          obj.getmessage();       } } 

in console :

sep 22, 2016 4:38:11 pm org.springframework.context.support.filesystemxmlapplicationcontext preparerefresh info: refreshing org.springframework.context.support.filesystemxmlapplicationcontext@238e0d81: startup date [thu sep 22 16:38:11 eest 2016]; root of context hierarchy sep 22, 2016 4:38:12 pm org.springframework.beans.factory.xml.xmlbeandefinitionreader loadbeandefinitions info: loading xml bean definitions file [d:\mavenspringdevcolibrifirst\src\main\resources\beans.xml]

your message : hello world!

where mistake?