public static <T extends Comparable<? super T>> void sortReverse(List<T> list) {
		Collections.sort(list, Collections.reverseOrder());
	}
public static < T extends Comparable < ? super T > > void sortReverse ( List < T > list ) { Collections . sort ( list , Collections . reverseOrder ( ) ) ; }
倒序排序, 采用JDK认为最优的排序算法,使用元素自身的compareTo()方法

@see java.util.Collections#sort(List)