java how to sort custom objects in descending orde

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Diego
12 Feb 2016
1ArrayList<StudentInformation> infos = new ArrayList<StudentInformation>();
2// fill array
3Collections.sort(infos, 
4    Comparator.comparingInt(StudentInformation::getBirthYear).reversed());
5
source
Eddy
17 Nov 2018
1ArrayList<StudentInformation> infos = new ArrayList<StudentInformation>();
2// fill array
3Collections.sort(infos, (s1, s2) ->
4    Integer.compare(s2.getBirthYear(), s1.getBirthYear()));
5
source
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