title: How can I get Currency object using a number
body: <p>I got a service that's sending me the currency ID of the currency I should work with.
  The ID is a number that represents an ISO-4217 Currency.</p>
  
  <p>The java Currency object enable to get an instance according to the currency string ID (i.e USD, JPY...), but not according to the ISO number code (i.e 840, 392...)</p>
  
  <p>How can I get an instance using the number value?</p>