import java.util.Arrays;
public class StreamAPI2 {
public static int[] solution(int[] array, int[][] commands) {
int[] answer = {};
int i = 0;
int j = 0;
int k = 0;
int l = 0;
for(int[] arr : commands){
i = arr[0];
j = arr[1];
k = arr[2];
int[] a = Arrays.copyOfRange(array,i-1,j);
int[] list = Arrays.stream(a).sorted().toArray();
answer[l] = list[k-1];
l++;
}
return answer;
}
배열 선언할 때 크기 선언해주셔야 됩니다.
int[] answer = new int[commands.length];