java 对于Map<String,Map<String,Integer>>可以通过赋予得到里面的map...答:Of course you can. //===Map<String, Integer> innerMap = new HashMap<String, Integer>();innerMap.put("innerKey", 2014);Map<String, Map<String,Integer>> map = new HashMap<String, Map<String, Integer>>();map.put("outerKey", innerMap);Map<String, Integer> targetMap = ...