system.out.println problem, fairly standard but having problems

Hi folks, dont know how this wrks, but here is code gettin all sorts of errors, mostly 398 etc
public class ReportGenerator {

String value = WinRegistry.readString (
WinRegistry.HKEY_LOCAL_MACHINE, //HKEY
"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion", //Key
"ProductName"); //ValueName
System.out.println(value);
}

This one is a potential goldmine if I could get it to work!