백준 10814 자바 BufferedReader

백준 10814 자바 문제

 

백준 10814 자바 BufferedReader 풀이

 

 

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

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());

		Members[] members = new Members[N];

		for (int i = 0; i < N; i++) {

			StringTokenizer st = new StringTokenizer(br.readLine(), " ");
			int age = Integer.parseInt(st.nextToken());

			String name = st.nextToken();
			members[i] = new Members(age, name);

		}

		Arrays.sort(members, new Comparator<Members>() {

			@Override
			public int compare(Members o1, Members o2) {
				return o1.age - o2.age;
			}

		});

		br.close();

		StringBuilder sb = new StringBuilder();

		for (int i = 0; i < N; i++) {

			sb.append(members[i]);
		}

		System.out.println(sb);

	}

	public static class Members {
		int age;
		String name;

		public Members(int age, String name) {
			this.age = age;
			this.name = name;
		}

		@Override
		public String toString() {
			return age + " " + name + "\n";
		}
	}
}