content: package com.alibaba.fastjson2.issues;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.annotation.JSONField;
  import lombok.Data;
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  public class Issue126 {
      @Test
      public void test() {
          Bean bean = new Bean();
          assertEquals("{\"b\":false,\"a\":false}", JSON.toJSONString(bean));
      }
  
      public static class Bean {
          @JSONField(ordinal = 2)
          public boolean a;
  
          @JSONField(ordinal = 1)
          public boolean b;
      }
  
      @Test
      public void test_people() {
          People people = new People();
          people.setAge(20);
          people.setAdult(true);
          people.setWeight(145.5);
          people.setName("MASON");
          people.setHeight(185.5f);
          String peopleStr = JSON.toJSONString(people);
          assertEquals("{\"height\":185.5,\"name\":\"MASON\",\"age\":20,\"adult\":true,\"weight\":145.5}", peopleStr);
      }
  
      @Data
      public static class People {
          @JSONField(ordinal = 5)
          public double weight;
  
          @JSONField(ordinal = 4)
          public boolean adult;
  
          @JSONField(ordinal = 3)
          public int age;
  
          @JSONField(ordinal = 2)
          public String name;
  
          @JSONField(ordinal = 1)
          public float height;
      }
  
      @Test
      public void reservation() {
          Res reservation = new Res();
          reservation.setReservationId("1520799011718696960");
          reservation.setCheckedBaggageNum(0);
          reservation.setHandBaggageNum(1);
          reservation.setMealsAvailable(true);
          String s = JSON.toJSONString(reservation);
          System.out.println(s);
      }
  
      @Data
      public static class Res {
          @JSONField(ordinal = 1)
          private String reservationId;
  
          @JSONField(ordinal = 2)
          private boolean mealsAvailable;
  
          @JSONField(ordinal = 3)
          private int handBaggageNum;
  
          @JSONField(ordinal = 4)
          private int checkedBaggageNum;
      }
  }
  