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

我有两个地图：

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

我需要接收这些地图之间的差异。存在可能是apache utils如何接收这个差异？
现在似乎需要每个地图的入口集，发现diff1 = set1 - set2和diff2 = set2- set1。
创建摘要后map = diff1 + diff2
看起来很尴尬。存在另一种方式吗？
感谢。

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番石榴？：

Maps.difference(map1,map2)

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