백준 11721번: 열 개씩 끊어 출력하기

1트만에 성공!

import java.io.*;

class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(System.out));
        StringBuffer sb = new StringBuffer();
        String word = br.readLine();
        if (word.length() > 10) {
            for (int i = 0; i < word.length(); i+=10) {
                sb.append(word.substring(i, Math.min(i + 10, word.length()))).append("\n");
            }
            writer.write(sb.toString());
        } else {
            writer.write(word);
        }
        writer.flush();
        writer.close();
    }
}