백준 - 2751 (수 정렬하기 2)

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

public class Main {

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

        for (int i = 0; i < n; i++) {
            arr[i] = Integer.parseInt(br.readLine());
        }
        
        Arrays.sort(arr);
        
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < n; i++) {
            sb.append(arr[i]).append("\n");
        }
        
        System.out.print(sb.toString());
    }
}