part 1 is done #171
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part 1 is done #171
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senia-psm
reviewed
Jul 6, 2017
| Arrays.sort(persons, new Comparator<Person>() { | ||
| @Override | ||
| public int compare(Person o1, Person o2) { | ||
| return o1.getAge() > o2.getAge() |
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You could use Integer.compare
| @@ -19,6 +22,7 @@ public void sortPersonsByAge() { | |||
| }; | |||
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| // TODO use Arrays.sort | |||
| Arrays.sort(persons, Comparator.comparing(p -> p.getAge())); | |||
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Use comparingInt to avoid boxing.
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Homework, part 1.
Elena Fedorovskaia.