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jdk1.8新特性比較器淺析

List<String> cities = Arrays.asList( "Milan", "london", "San Francisco", "Tokyo", "New Delhi");System.out.println(cities);//[Milan, london, San Francisco, Tokyo, New Delhi]cities.sort(String.CASE_INSENSITIVE_ORDER);System.out.println(cities);//[london, Milan, New Delhi, San Francisco, Tokyo]cities.
sort(Comparator.naturalOrder());System.out.println(cities);//[Milan, New Delhi, San Francisco, Tokyo, london]