map string list string in java

1    Map<String, List<String>> myMaps = new HashMap<String, List<String>>();
2    for (DataObject item : myList) {
3        if (!myMaps.containsKey(item.getKey())) {
4            myMaps.put(item.getKey(), new ArrayList<String>());
5        }
6        myMaps.get(item.getKey()).add(item.getValue());
7    }
8

1    Map<String, List<String>> myMaps = new HashMap<String, List<String>>();
2    for (DataObject item : myList) {
3        if (!myMaps.containsKey(item.getKey())) {
4            myMaps.put(item.getKey(), new ArrayList<String>());
5        }
6        myMaps.get(item.getKey()).add(item.getValue());
7    }