创建一个TreeSet对象，并自其中添加一些员工对象（Employee），其姓名和工资分别为：张三 8000，

创建一个TreeSet对象，并自其中添加一些员工对象（Employee），其姓名和工资分别为：张三 8000，

package com.test.demo;

import java.util.Iterator;
import java.util.Set;
import java.util.TreeSet;

public class Employee implements Comparable {

private String name;
private int price;
public Employee(String name, int price){
this.name = name;
this.price = price;
}

public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
@Override
public int compareTo(Object o) {
// TODO Auto-generated method stub
return this.price - ((Employee)o).price;
}

public String toString(){

return "名字" + name + ",价格" + price;
}

public static void main(String[] args){
Set set = new TreeSet();
set.add(new Employee("张三",8000));
set.add(new Employee("李四",6000));
set.add(new Employee("王五",5600));
set.add(new Employee("马六",7500));
Iterator it = set.iterator();
while(it.hasNext()){
System.out.println(it.next());
}

}

}追问是“进行降序输出”