Java - 백준 코딩테스트 10871번 [for문 - X보다 작은 수]

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.util.StringTokenizer;
 
public class SmallerThanX {
 
    public static void main(String[] args) throws IOException {
        // 20210617 - 10871번
        //방법1. Buffered로 풀기
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
 
        StringTokenizer st = new StringTokenizer(br.readLine(), " ");
        
        int num = Integer.parseInt(st.nextToken());
        int standard = Integer.parseInt(st.nextToken());
        
        st = new StringTokenizer(br.readLine(), " ");
        
        for (int i = 0; i < num; i++) {
            int inputNums = Integer.parseInt(st.nextToken());
 
            if (inputNums < standard) {
                bw.write(inputNums + " ");
            }
        }
        
        bw.flush();
        br.close();
        bw.close();
        
        
        //방법2. Scanner로 풀기
        /*
        Scanner sc = new Scanner(System.in);
        
        int num = sc.nextInt();
        int standard = sc.nextInt();
        
        int[] arr = new int[num];
        
        for (int i = 0; i < num; i++) {
            int inputNums = sc.nextInt();
            arr[i] = inputNums;
        }
        
        for (int i = 0; i < arr.length; i++) {
            if (arr[i] < standard) {
                System.out.print(arr[i] + " ");
            }
        }
        */
    }
}