[BOJ] 15552 JAVA

Organ·2023년 9월 2일

BufferedWriter Java boj

[문제 풀이]

목록 보기

13/123

빠른 A+B

문제

입출력

예제

내 풀이

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


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));
		String str;									// 입력 받을 숫자를 담을 문자열
		
		int T = Integer.parseInt(br.readLine());
		
		for(int i = 0; i < T; i++)
		{
			str = br.readLine();
			StringTokenizer st = new StringTokenizer(str);
			
			int a = Integer.parseInt(st.nextToken());
			int b = Integer.parseInt(st.nextToken());
			
			bw.write(a + b + "\n");	
		}
		br.close();
		
		bw.flush();
		bw.close();
		
	}
}

다른 풀이

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 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());
        
		StringTokenizer st;
 
		for (int i = 0; i < N; i++) {
			st = new StringTokenizer(br.readLine()," ");
			bw.write((Integer.parseInt(st.nextToken()) + Integer.parseInt(st.nextToken()))+ "\n");
		}
		br.close();
        
		bw.flush();
		bw.close();
 
	}
}

출처

https://st-lab.tistory.com/30
https://m.blog.naver.com/ka28/221850826909

문법

BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));   //할당된 버퍼에 값 넣어주기
String s = "abcdefg";   //출력할 문자열
bw.write(s+"\n");   //버퍼에 있는 값 전부 출력
bw.flush();   //남아있는 데이터를 모두 출력시킴
bw.close();   //스트림을 닫음