java8 以上支持: 现在这么写: List<String> names = Arrays.asList("peter", "anna", "mike", "xenia");Collections.sort(names, new Comparator<String>() { @Override public int compare(String a, String b) { return b.compareTo(a); } });lamda: Collections.sort(names, (a, b) -> b.compareTo(a));
现在这么写:
List<String> names = Arrays.asList("peter", "anna", "mike", "xenia");Collections.sort(names, new Comparator<String>() {
@Override
public int compare(String a, String b) {
return b.compareTo(a);
}
});lamda:
Collections.sort(names, (a, b) -> b.compareTo(a));