배열 오름차순, 내림차순 정렬(Arrays)

import util.java.Arrays

import java.util.Arrays;

public class Sort{
public static void main(String[] args) {
int arr[] = {4,23,33,15,17,19};

//내림차순
Arrays.sort(arr);

   //오름차순
   Arrays.sort(arr, Collections.reversOrder())

}

}