<Java>int[]を降順にソート

import java.util.*;

public class Main {
    public static void main(String[] args) {
        
        var numbers = new int[]{ 6, 1, 2, 5, 4, 8, 7, 3, 9 };
        System.out.println(Arrays.toString(numbers));

        numbers = Arrays.stream(numbers)
                        .boxed()
                        .sorted((n, m) -> m - n)
                        .mapToInt(Integer::intValue)
                        .toArray();
        System.out.println(Arrays.toString(numbers));
    }
}

[6, 1, 2, 5, 4, 8, 7, 3, 9]
[9, 8, 7, 6, 5, 4, 3, 2, 1]