如何在java中接收地图的差异？ [英] How to receive difference of maps in java?

问题描述

我有两张地图：

Map<String, Object> map1;
Map<String, Object> map2;

我需要收到这些地图之间的区别。是否存在可能是apache utils如何收到这个差异？
现在似乎需要采取每个地图的条目集，并发现diff1 = set1 - set2和diff2 = set2-set1。
创建总结map = diff1 + diff2
看起来很尴尬。是否存在另一种方式？
谢谢。

I need to receive difference between these maps. Does exist may be apache utils how to receive this difference? For now seems need take entry set of each map and found diff1 = set1 - set2 and diff2 = set2- set1. After create summary map =diff1 + diff2 It looks very awkwardly. Does exist another way? Thanks.

推荐答案

google guava ？ / p>

How about google guava?:

Maps.difference(map1,map2)

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