[BOJ] 백준 15552 빠른 A+B

출처: https://www.acmicpc.net/problem/15552

Java에서 빠른 입출력을 보장받기 위해  BufferedoutputStream 이용

[예제] Java 입출력 속도 비교

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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 in = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter out = new BufferedWriter(new OutputStreamWriter(System.out));
         
        int T, a, b = 0;
        String str;
        T = Integer.parseInt(in.readLine());
         
        for (int i = 0; i < T; i++) {
            str = in.readLine();
            a = Integer.parseInt(str.split(" ")[0]);
            b = Integer.parseInt(str.split(" ")[1]);
 
            out.write(String.valueOf(a + b) + "\n");
        }
        out.flush();                
    }
}