[JAVA] 백준 17413번

17413번

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));

		String text = br.readLine();
		StringBuilder sb = new StringBuilder();

		for (int i = 0; i < text.length(); i++) {
			if (text.charAt(i) == '<') { // 태그로 시작하는 경우
				bw.write(sb.reverse().toString());
				sb.setLength(0);
				while (text.charAt(i) != '>') {
					bw.write(text.charAt(i));
					i++;
				}
				bw.write(text.charAt(i));
			} else if (text.charAt(i) == ' ') {

				bw.write(sb.reverse().toString() + ' ');
				sb.setLength(0);

			} else { // 단어로 시작하는경우
				sb.append(text.charAt(i));
			}

		}

		bw.write(sb.reverse().toString());

		bw.flush();
		bw.close();
	}

}