백준 10951번 : A+B - 4 (Java 11)

 문제 

https://www.acmicpc.net/problem/10951

10951번: A+B - 4

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 풀이 - Java 11 

import java.io.*;
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));
        StringBuilder stringBuilder = new StringBuilder();
        String s;
        StringTokenizer st;

        while ((s = br.readLine()) != null) {
            st = new StringTokenizer(s);
            int A = Integer.parseInt(st.nextToken());
            int B = Integer.parseInt(st.nextToken());
            int sum = A + B;
            stringBuilder.append(sum).append("\n");
        }
        bw.write(stringBuilder.toString()); 
        br.close();
        bw.flush(); 
        bw.close();
    }
}

 

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 알아야하는 개념