[백준] 15552번: 빠른 A+B (JAVA)

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());
		for(int i = 1; i <= N; i++) {
			StringTokenizer st = new StringTokenizer(br.readLine(), " ");
			int a = Integer.parseInt(st.nextToken());
			int b = Integer.parseInt(st.nextToken());
			
			bw.write((a+b) + "\n");
			
		}
		bw.flush();
		bw.close();
		
	}
}

 

- 입력 : BufferedReader 

- 출력 : BufferedWriter 사용해야한다!