Java HomeWork01

package cn.linuxcc.homework;

public class HomeWork01 {
    public static void main(String[] args) {
        Person[] persons = new Person[3];
        persons[0] = new Person("Thompson", 23, "PHP工程师");
        persons[1] = new Person("oldboy", 13, "Linux运维工程师");
        persons[2] = new Person("mary", 28, "JavaEE工程师");

        for (int i = 0; i < persons.length; i++) {
            System.out.println(persons[i]);
        }

        // 排序
        Person tmp; // 临时变量
        for (int i = 0; i < persons.length - 1; i++) {
            for (int j = 0; j < persons.length - i - 1; j++) {
            // 按照年龄排序,从打到小排序
                if (persons[j].getAge() < persons[j + 1].getAge()) {
                    tmp = persons[j];
                    persons[j] = persons[j + 1];
                    persons[j + 1] = tmp;
                }
            }
        }
        System.out.println("---------------排序后---------------");
        for (int i = 0; i < persons.length; i++) {
            System.out.println(persons[i]);
        }
    }
} 

class Person {
    private String name;
    private int age;
    private String job;

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

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getJob() {
        return job;
    }

    public void setJob(String job) {
        this.job = job;
    }

    @Override
    public String toString() {
        return "Person{" +
                "name='" + name + '\'' +
                ", age=" + age +
                ", job='" + job + '\'' +
                '}';
    }
}