Part1 by Iurii Salnikov #159
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senia-psm
reviewed
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.
| @@ -18,7 +22,7 @@ public void sortPersonsByAge() { | |||
| new Person("name 2", "lastName 1", 30) | |||
| }; | |||
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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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