[백준] 4458 첫 글자를 대문자로 - Implementation / Java

• 문제 링크

https://www.acmicpc.net/problem/4458

 

• 풀이 코드

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 br = new BufferedReader(new InputStreamReader(System.in));
        BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
        StringBuilder sb = new StringBuilder();

        int n = Integer.parseInt(br.readLine());
        while (n-- > 0) {
            String s = br.readLine();
            sb.append(s.substring(0, 1).toUpperCase()).append(s.substring(1)).append("\n");
        }

        bw.write(sb.toString());
        bw.flush();
    }

}