[백준] - #1427: 소트인사이드

문제 출처 : https://www.acmicpc.net/

 

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#1427: 소트인사이드 (언어 : Java11)

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제출 답안

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String num = br.readLine();
		StringBuilder sb = new StringBuilder(num.length());
		
		List<String> list = Arrays.asList(num.split(""));
		Collections.sort(list, Collections.reverseOrder());
		
		for(String str : list) {
			sb.append(str);
		}
		
		System.out.println(sb.toString());
        br.close();
	}
}

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