Create xml from java

I need to create below xml using:

<?xml version="1.0"?>
<entitl:OnlineEntitlement xmlns:xsi="http://ift.tt/ra1lAU"
                          xsi:schemaLocation="http://ift.tt/1mL3c17  file:///C:/Users/608292463/desktop/orca/schemas/TempOnlineEntitlement.xsd

                                http://ift.tt/1v60hR1 file:///C:/Users/608292463/desktop/orca/schemas/Persona.xsd"
                          xmlns:entitl="http://ift.tt/1mL3c17"

                          xmlns:per="http://ift.tt/1v60hR1">
    <per:persona>
        <per:id>1</per:id>
        <per:name>Customer</per:name>
    </per:persona>

</entitl:OnlineEntitlement>

Through net i am able to create xml without namespace,prefix. So any question is how to create: 1-Root element with namespace for xsd. 2-Add multiple scehma location to root element. Any suggestion?