title: how to generate jaxb class from xml without xsd directly?
body: <h1>I need to generate jaxb classes from xml file without xsd.</h1>
  
  <p>Now I have found one way to generate xsd files firstly, then use <strong>xjc</strong> command to generate jaxb classes :'
  <a href="https://stackoverflow.com/questions/4995466/how-to-generate-jaxb-classes-from-just-xml">How to generate JAXB classes from just XML</a> '.</p>
  
  <p>My question is, is there any simple tools to generate jaxb classes from just xml file directly?</p>