정렬: 수 정렬하기 (백준 2750)

○ 문제
N개의 수가 주어졌을 때, 이를 오름차순으로 정렬하는 프로그램을 작성하시오.

○ 입력
첫째 줄에 수의 개수 N(1 ≤ N ≤ 1,000)이 주어진다. 둘째 줄부터 N개의 줄에는 수가 주어진다. 이 수는 절댓값이 1,000보다 작거나 같은 정수이다. 수는 중복되지 않는다.

○ 출력
첫째 줄부터 N개의 줄에 오름차순으로 정렬한 결과를 한 줄에 하나씩 출력한다.

○ 예제 입력
5
5
2
3
4
1

○ 예제 출력
1
2
3
4
5

---

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.IOException;
import java.util.StringTokenizer;
import java.util.Arrays;

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));

		int size = Integer.parseInt(br.readLine());
		int[] num = new int[size];
		for (int i = 0; i < size; i++) {
			num[i] = Integer.parseInt(br.readLine());
		}
		
		Arrays.sort(num);
		for (int n : num) {
			bw.write(n + "\n");
		}
		
		bw.flush();
		bw.close();

	}
	
}