题解 | #最小的K个数#
最小的K个数
http://www.nowcoder.com/practice/6a296eb82cf844ca8539b57c23e6e9bf
import java.util.ArrayList;
import java.util.stream.Stream;
import java.util.stream.Collectors;
import java.util.Arrays;
public class Solution {
public ArrayList<Integer> GetLeastNumbers_Solution(int [] input, int k) {
Arrays.sort(input);
return Arrays.stream(input).limit(k).boxed().collect(Collectors.toCollection(ArrayList<Integer>::new));
}
} 面向API编程，两行代码解决问题
