java sort int array
// an array of ints
int[] arr = {1, 2, 3, 4, 5, 6};
// an array of reverse sorted ints
int[] arrDesc = Arrays.stream(arr).boxed()
.sorted(Collections.reverseOrder())
.mapToInt(Integer::intValue)
.toArray();
System.out.println(Arrays.toString(arrDesc)); // outputs [6, 5, 4, 3, 2, 1]Compare integers java sort
public class AgeComparatorDesc implements Comparator<Student> {
@Override
public int compare(Student o1, Student o2) {
if (o1.age > o2.age) {
return -1;
} else if (o1.age < o2.age) {
return 1;
}
return 0;
}
}Copyright © 2021 Codeinu
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