Java每日一练第一题

1.定义一个Person类name age job,初始化Person对象数组，有3个person对象，并按照age从小到大进行排序，提示，使用冒泡排序

 

package com.java.Homework_;

public class Homework01 {
    public static void main(String[] args) {
        Person[] ps = new Person[3];
        ps[0]=new Person("jack",21,"程序员");
        ps[1]=new Person("smith",32,"java程序员");
        ps[2]=new Person("tom",5,"python程序员");

        for (int i = 0; i