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不懂return compareTo()

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不器

#1 Created at ... [Delete] [Delete and Lock User]

不懂return compareTo()是什么意思

恋爱的八路军

#2 Created at ... [Delete] [Delete and Lock User]

这是继承Comparable接口实现的父类方法，就是让你自定义排序规则，返回值为整型

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