백준 2751 : 수 정렬하기 2

 

Arraysort를 이용

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

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        StringBuilder sb = new StringBuilder();
        int N = Integer.parseInt(br.readLine());
        Integer[] arr = new Integer[N]; 

        for (int i = 0; i < N; i++) {
            arr[i] = Integer.parseInt(br.readLine());
        }

        Arrays.sort(arr); 

        for (int i = 0; i < N; i++) {
            sb.append(arr[i]).append('\n');
        }
        
        System.out.println(sb);
    }
}