两个数组之间的差异 [英] differences between two arrays

问题描述

可能的重复:
java中数组列表的交集/并集

您好，我有两个字符串数组.我想打印两个数组之间的差异.有没有针对此的 Java 方法?例如;

Hello I have two string arrays.I want to print differences between two arrrays.Is there any java method for this? For example;

String[ ] first={"A","B","C"};
String[ ] second={"C","B"};

并且结果必须是A".感谢所有评论.

and result must be "A". Thanks for all comments.

推荐答案

将数组转换为 Set

new HashSet<String>(Arrays.asList(array));

然后做

Set<String> commonOnes = biggerSet.retainAll(smallerSet);
biggerSet.removeAll(commonOnes).add(smallerSet.removeAll(commonOnes))

或使用番石榴 difference()

or use guava difference()

这篇关于两个数组之间的差异的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！