compareto
- 网络比较函数
compareto-
If CompareTo returns a0 , that means the two strings are equal ; anything other than a0 means that the two strings are different .
如果CompareTo返回0，那意味着两个字符串相等。
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One of the implications of erasure is that a class cannot implement both Comparable and Comparable , because both of these are in fact the same interface , specifying the same compareTo () method .
擦除意味着一个类不能同时实现Comparable和Comparable，因为事实上两者都在同一个接口中，指定同一个compareTo（）方法。