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senia-psm
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Jul 4, 2017
| Arrays.sort(persons, new Comparator<Person>() { | ||
| @Override | ||
| public int compare(Person p1, Person p2) { | ||
| return p1.getAge() - p2.getAge(); |
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This is incorrect in general. Use Integer.compare.
| }; | ||
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| // TODO use Arrays.sort | ||
| Arrays.sort(persons, Comparator.comparing(p -> p.getAge())); |
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Use Comparator.comparingInt to avoid boxing.
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