tsst

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class Main {
public static void main(String[] args){
List list=new ArrayList();
Scanner sc=new Scanner (System.in) ;
int x=sc.nextInt();
for(int i=0;i<x;i++){
list.add(new PersonSortable(sc.next(),sc.nextInt())) ;
}
Collections.sort(list);
for(PersonSortable e:list){
S
}
}

public class PersonSortable implements Comparable {

@Override
public String toString() {
    return name+'-'+age;
}
private String name;
private int age;
public  PersonSortable(String name,int age){
    this.name=name;
    this.age=age;
}

public String getName() {
    return name;
}

public int getAge() {
    return age;
}

public int compareTo(PersonSortable o){
int x=this.name.compareTo(o.name);
if(x!=0) return x;
else return this.getAge()-o.getAge();
}
}

原文地址:https://www.cnblogs.com/lsl321/p/6598209.html