我有以下地图。
Map<String,String> map1= new HashMap<String, String>(){{
put("no1","123"); put("no2","5434"); put("no5","234");}};
Map<String,String> map1 = new HashMap<String, String>(){{
put("no1","523"); put("no2","234"); put("no3","234");}};
sum(map1, map2);
我想将它们合二为一,将相似的键控值汇总在一起。使用 java 7 或 guava 库我能做到的最好方法是什么?
预期产出
Map<String, String> output = { { "no1" ,"646"}, { "no2", "5668"}, {"no5","234"}, {"no3","234" } }