title: properties file to vo using only 1-bean
body: <p>I'm using Spring boot.
  boot configuration contains in application.yml</p>
  
  <p>this is my situation.</p>
  
  <p>interface CommonService</p>
  
  <p>class AServiceImpl.java + a-config.properties
  class BServiceImpl.java + b-config.properties
  ...</p>
  
  <pre><code>@PropertiesSource(value="${b.config.file.name})
  @Service("bService")
  public class BServiceImpl implements CommonService{
       ...
  }
  </code></pre>
  
  <p>properties files are contains same property, difference values.</p>
  
  <p>i want properties using in just own service.
  and not getter type(not getProperty).</p>
  
  <p>can i?</p>