Sory List by Comparator
- 
return o1.compareToIgnoreCase(o2);
 - 
}
 - 
});
 
Sort a Map
Just get a list from the values of the map and sort that as above
- 
List<String> excludedPrefixes = new ArrayList<String>(excludedPrefixesMap.values());
 
Google Juice
Hash HashMap List ArrayList
RJM Article Type
              Quick Reference