[BOJ] 10814 : 나이순 정렬 (Java)

문제

[BOJ] 10814 : 나이순 정렬

코드

import java.util.*;
 
class Member implements Comparable{
    int age;
    String name;
    
    public Member(int age, String name) {
        this.age = age;
        this.name = name;
    }
 
    
    public String toString() {
        return age+""+name;
    }
 
 
    @Override
    public int compareTo(Object o) {
        return this.age-((Member)o).age;
    }
 
}
 
 
 
public class Main {
 
    public static void main(String[] args) {
        ArrayList<Member> members = new ArrayList<Member> (); 
        Scanner sc = new Scanner(System.in);
        
        int num = sc.nextInt();
        int age;
        String name;
        
        for(int i=0; i<num; i++) {
            age = sc.nextInt();
            name = sc.nextLine();
            
            members.add(new Member(age, name));
        }
        Collections.sort(members);
        Iterator it = members.iterator();
        while(it.hasNext()) {
            System.out.println(it.next());
        }
    }
 
}