题解 | #最小的K个数#

import java.util.ArrayList;
import java.util.Arrays;
public class Solution {
    public ArrayList<Integer> GetLeastNumbers_Solution(int [] input, int k) {
             ArrayList<Integer>arr = new ArrayList<Integer>();
        Arrays.sort(input);
        for (int i = 0 ; i < k ; i ++){
            arr.add(input[i]);
        }
//        arr.sort(Comparator.naturalOrder());

        return arr;


    }
}