当 TreeMap 的 Comparator 返回 0 时，如何理解表示相等的长尾疑问？
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本文共计914个文字，预计阅读时间需要4分钟。
%E2%80%9CTreeMap%E7%9A%84Comparator%E8%BF%94%E5%9B%9E0%EF%BC%8C%E8%A1%A8%E7%A4%BA%E4%B8%A4%E4%B8%AAkey%E9%80%BB%E8%BE%91%E4%B8%8A%E2%80%9C%E7%9B%B8%E7%AD%89%E2%80%9D%E2%80%94%E2%80%94%E4%B8%8D%E6%98%AF%E6%8C%87%E5%AF%B9%E8%B1%A1%E5%9C%B0%E5%9D%80%E6%88%96%E5%86%85%E5%AE%B9%E5%AE%8C%E5%85%A8%E7%9B%B8%E5%90%8C%EF%BC%8C%E8%80%8C%E6%98%AF%E6%8C%89%E4%BD%A0%E5%AE%9A%E4%B9%89%E7%9A%84%E6%8E%92%E5%BA%8F%E8%A7%84%E5%88%99%EF%BC%8C%E5%AE%83%E4%BB%AC%E5%BA%94%E8%A2%AB%E8%A7%86%E4%BD%9C%E5%90%8C%E4%B8%80%E4%B8%AA%E4%BD%8D%E7%BD%AE%E4%B8%8A%E7%9A%84%E9%94%AE%E3%80%82%E8%BF%99%E4%BC%9A%E7%9B%B4%E6%8E%A5%E8%A7%A6%E5%8F%91TreeMap%E7%9A%84%E2%80%9C%E5%8E%BB%E9%87%8D%E8%A6%86%E7%9B%96%E2%80%9D%E8%A1%8C%E4%B8%BA%E3%80%82%E2%80%9D
返回 0 意味着 key 被判定为重复
TreeMap 不允许键重复。
本文共计914个文字，预计阅读时间需要4分钟。
%E2%80%9CTreeMap%E7%9A%84Comparator%E8%BF%94%E5%9B%9E0%EF%BC%8C%E8%A1%A8%E7%A4%BA%E4%B8%A4%E4%B8%AAkey%E9%80%BB%E8%BE%91%E4%B8%8A%E2%80%9C%E7%9B%B8%E7%AD%89%E2%80%9D%E2%80%94%E2%80%94%E4%B8%8D%E6%98%AF%E6%8C%87%E5%AF%B9%E8%B1%A1%E5%9C%B0%E5%9D%80%E6%88%96%E5%86%85%E5%AE%B9%E5%AE%8C%E5%85%A8%E7%9B%B8%E5%90%8C%EF%BC%8C%E8%80%8C%E6%98%AF%E6%8C%89%E4%BD%A0%E5%AE%9A%E4%B9%89%E7%9A%84%E6%8E%92%E5%BA%8F%E8%A7%84%E5%88%99%EF%BC%8C%E5%AE%83%E4%BB%AC%E5%BA%94%E8%A2%AB%E8%A7%86%E4%BD%9C%E5%90%8C%E4%B8%80%E4%B8%AA%E4%BD%8D%E7%BD%AE%E4%B8%8A%E7%9A%84%E9%94%AE%E3%80%82%E8%BF%99%E4%BC%9A%E7%9B%B4%E6%8E%A5%E8%A7%A6%E5%8F%91TreeMap%E7%9A%84%E2%80%9C%E5%8E%BB%E9%87%8D%E8%A6%86%E7%9B%96%E2%80%9D%E8%A1%8C%E4%B8%BA%E3%80%82%E2%80%9D
返回 0 意味着 key 被判定为重复
TreeMap 不允许键重复。