how to cache xml code example

Example: xml cache coherence exemple

<?xml version="1.0"?>

<!DOCTYPE cache-config SYSTEM "cache-config.dtd">

<cache-config>
   <caching-scheme-mapping>
      <cache-mapping>
         <cache-name>hello-example</cache-name>
         <scheme-name>distributed</scheme-name>
      </cache-mapping>
   </caching-scheme-mapping>
   
   <caching-schemes>
      <distributed-scheme>
         <scheme-name>distributed</scheme-name>
         <service-name>DistributedCache</service-name>
         <backing-map-scheme>            <local-scheme/>         </backing-map-scheme>
         <autostart>true</autostart>
      </distributed-scheme>
   </caching-schemes>
</cache-config>