How to create jaxb name bining to map the xsd object

when i generate the Jaxb classed for the below xsd., its creating java class with name EchodemoType.java., but i want to create kind of name mapping xml that has create a file with name echodemo.java., is there is any chance for it please help?

<xsd:element name="echodemo" type="EchodemoType">
    <xsd:annotation>
        <xsd:documentation>
            Root element
        </xsd:documentation>
    </xsd:annotation>
</xsd:element>