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题目描述

职工有职工号，姓名，年龄.输入n个职工的信息，找出3个年龄最小的职工打印出来。

输入描述:

输入第一行包括1个整数N，1<=N<=30，代表输入数据的个数。

输出描述:

可能有多组测试数据，对于每组数据，

示例1

输入

5

501 Jack 6

102 Nathon 100

599 Lily 79

923 Lucy 15

814 Mickle 65

输出

501 Jack 6

923 Lucy 15

814 Mickle 65

import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.util.ArrayList;import java.util.Collections;public class Main {
       static class Worker implements Comparable
   
     {
           int id;        String name;        int age;        public Worker(int id, String name, int age) {
               this.id = id;            this.name = name;            this.age = age;        }        @Override        public String toString() {
               return id + " " + name + " " + age;        }        @Override        public int compareTo(Worker o) {
               int num1 = this.age - o.age;            int num2 = num1 == 0 ? this.id - o.id : num1;            int num3 = num2 == 0 ? this.name.compareTo(o.name) : num2;            return num3;        }          }    public static void main(String[] args) throws IOException {
           BufferedReader br = new BufferedReader(new InputStreamReader(System.in));        ArrayList
    
      list = new ArrayList<>();        //录入        int n = Integer.parseInt(br.readLine());        for (int i = 0; i < n; i++) {
               String[] s = br.readLine().split(" ");            Worker wk = new Worker(Integer.parseInt(s[0]), s[1], Integer.parseInt(s[2]));            list.add(wk);        }        //排序        Collections.sort(list);                //输出        int k = Math.min(3, n);        for (int i = 0; i < k; i++) {
               System.out.println(list.get(i));        }    }}
    
   

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