DEX-450 Web TestEngine demo

A developer has the following code:

try {List nameList;Account a;String s = a.Name;nameList.add(s);} catch (ListException le ) {System.debug('
List Exception ');} catch (NullPointerException npe) {System.debug('

NullPointer Exception ');}
catch (Exception e) {System.debug(' Generic Exception ');}

What message will be logged?