java Collections.sort Comparator

Java中的Collections.sort方法可以使用Comparator来进行排序。Comparator是一个接口，可以重写compare()方法来定义排序规则。使用Collections.sort(list, Comparator<T>)或list.sort(Comparator<T>)方法来进行排序。其中，list是待排序的列表，Comparator<T>是自定义的比较器。通过重写compare()方法来定义比较规则，返回正数表示前者大于后者，返回负数表示前者小于后者，返回0表示两者相等。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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