백준 15552번 : 빠른 A+B (Java 11)

 문제 

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

15552번: 빠른 A+B

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 풀이 - Java 11 

import java.io.*;
import java.util.StringTokenizer;

public class Main {
    public static void main(String[] args) throws Exception {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringTokenizer st;
        int testCase = Integer.parseInt(br.readLine());
        for (int i = 0; i < testCase; i++) {
            st = new StringTokenizer(br.readLine());
            int A = Integer.parseInt(st.nextToken());
            int B = Integer.parseInt(st.nextToken());
            bw.write(A+B+"\n");
        }
        bw.flush();
    }
}

 

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 알아야하는 개념