[백준 2742번 - java] 기찍N

https://www.acmicpc.net/problem/2742

내 답안 - 1 Scanner 사용

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		
		Scanner s = new Scanner(System.in);
		int N = s.nextInt();
        s.close();
		
		for (; N>0; N--) {
			System.out.printf("%d\n",N);
		}
	}
}

내 답안 - 2 BufferedReader, BufferedWriter 사용

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;

public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
		int N = Integer.parseInt(br.readLine());
		
		for (; N>0; N--) {
			bw.write(N + "\n");
		}
		bw.flush();
		bw.close();
	}
}