Scala编程中常见错误：Error:(24, 29) value foreach is not a member of java.util.Set[String]-CSDN博客

网友收藏2024-01-22 21:52

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文章浏览阅读1.2w次，点赞3次，收藏4次。问题:在Scala编程开发中, 经常会出现类似如下的错误,Error:(24, 29) value foreach is not a member of java.util.Set[String] for (key ^或Error:(21, 22) value filter is not a member of _value foreach is not a member of java.util.set

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