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));
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();
}
}
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));
int n = Integer.parseInt(br.readLine());
StringTokenizer st;
StringBuilder sb = new StringBuilder();
for (int i=0; i<n; i++) {
st = new StringTokenizer(br.readLine(), " ");
sb.append(Integer.parseInt(st.nextToken())+Integer.parseInt(st.nextToken()));
sb.append("\n");
}
br.close();
System.out.println(sb);
}
}
100만개 정도까지는 StringBuilder 가 아주 조금 더 빠르다.
✔️ 데이터 양이 커지면 커질 수록 BufferedWriter 가 더 빠르다.