List集合中对数据实现多重规则进行排序的案例

package com.test;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
/**
 * List多重规则排序测试类
 */
public class TestCompartor {
  public static void main(String[] args) {
    ArrayList persOns= new ArrayList();
    persons.add(new Coupon(13,0,new BigDecimal(40)));
    persons.add(new Coupon(13,0,new BigDecimal(50)));
    persons.add(new Coupon(13,0,new BigDecimal(45)));
    persons.add(new Coupon(1,0,new BigDecimal(20)));
    persons.add(new Coupon(13,1,new BigDecimal(30)));
    persons.add(new Coupon(1,0,new BigDecimal(25)));
    persons.add(new Coupon(11,0,new BigDecimal(50)));
    persons.add(new Coupon(11,1,new BigDecimal(40)));
    System.out.println("排序之前：");
    for (int i = 0; i () {
      //按可用升序，券类型降序，面额降序
      public int compare(Coupon o1, Coupon o2) {
        if (o1.valueAble.compareTo(o2.valueAble)==0){
         if(o2.themeType.compareTo(o1.themeType)==0){
         return o2.amount.compareTo(o1.amount)>0&＃63;1:-1;
         }else{
         return o2.themeType - o1.themeType;
         }
        }else{
          return o1.valueAble-o2.valueAble ;
        }
      }
    });
    System.out.println("排序后结果：");
    for (int i = 0; i 
            var cpro_id = "u6885494";