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Java中的Comparable接口和Comparator接口-java架构师1的博客
source link: http://blog.51cto.com/13981400/2325028
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介绍Comparable<T>接口和Comparator<T>接口都是JDK中提供的和比较相关的接口。使用它们可以对对象进行比较大小，排序等操作。这算是之后排序的先导知识吧。Comparable，字面意思是“可以比较的”，所以实现它的类的多个实例应该可以相互比较“大小”或者“高低”等等。Comparator，字面意思是“比较仪，比较器”，它应该是专门用来比较用的“工具”。C
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