Integer> integerMap = new HashMap<String, Integer>(); integerMap.put("map-1",1); integerMap.put("map
integerMap = new HashMap<String, Integer>(); integerMap.put("map-1",1); integerMap.put("map
integerMap = new HashMap<String, Integer>(); integerMap.put("map-1",1); integerMap.put("map
@Override public String map(Event e) throws Exception { return e.user; } }); // -Map
Override public String map(Event e) throws Exception { return e.user; } }); // 3-2、Map