Collection options = pmf.supportedOptions();
Iterator iter = options.iterator();
System.out.println("Supported options:");
while( iter.hasNext() ){
String option = (String) iter.next();
System.out.println(option);
}
System.out.println("\nDefault values for options:");
System.out.print("IgnoreCache ");
System.out.println( pmf.getIgnoreCache() );
System.out.print("NontransactionalRead ");
System.out.println( pmf.getNontransactionalRead() );
System.out.print("NontransactionalWrite ");
System.out.println( pmf.getNontransactionalWrite() );
System.out.print("Optimistic ");
System.out.println( pmf.getOptimistic() );
System.out.print("RestoreValues ");
System.out.println( pmf.getRestoreValues() );
System.out.print("RetainValues ");
System.out.println( pmf.getRetainValues() );
