content: package com.alibaba.fastjson.issue_3000;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.serializer.SerializerFeature;
  import lombok.Data;
  import lombok.NoArgsConstructor;
  import org.junit.jupiter.api.Test;
  
  import java.util.List;
  
  public class Issue3075 {
      @Test
      public void test_for_issue() throws Exception {
          SerializerFeature[] features = {
                  SerializerFeature.BrowserSecure,
                  // 消除对同一对象重复引用的优化
                  SerializerFeature.DisableCircularReferenceDetect,
                  // 将中文都会序列化为\Uxxxx 格式
                  // 超过 −9007199254740992 到 9007199254740992 区间使用字符串，如："9007199254740993"
                  // FIXME: 序列化的时候会导致空指针。
                  SerializerFeature.BrowserCompatible,
                  // 不隐藏为空的字段
                  SerializerFeature.IgnoreNonFieldGetter,
                  // map为Null，置为{}
                  SerializerFeature.WriteMapNullValue,
                  // Long、Integer、Short等number类型为Null，置为0
                  SerializerFeature.WriteNullNumberAsZero,
                  // Boolean为Null，置为false
                  SerializerFeature.WriteNullBooleanAsFalse,
                  // List为Null，置为[]
                  SerializerFeature.WriteNullListAsEmpty,
                  // String为Null，置为""
                  SerializerFeature.WriteNullStringAsEmpty
          };
  
          JSON.toJSONString(new TestBasicBO(), features);
          JSON.toJSONString(new TestBO(), features);
      }
  
      @NoArgsConstructor
      @Data
      public static class TestBasicBO {
          String udgxhkk;
          String dvbvgtm;
          String cegnjlhiz;
          String tmztsttazf;
          List<Integer> dszukwrs;
          String stymi;
          Float uwobf;
          Float dcvnlfo;
          Float bjlrxreby;
          Float sgljt;
          Float irqtbtgugfk;
          Float usnvv;
          Float gfeqybelageu;
          Float bccbcqtb;
          Float znkdwgblhji;
          Float uktxicvsrxui;
          Float sujnyvlz;
          Integer grihhxsxehct;
          Integer vqyqv;
          Integer wiipi;
          Float sxdihakgyuja;
          Integer xpspehqs;
          Integer aiysq;
          Integer zdzbdg;
          Float pzhjnnvzsujn;
          Float wdyfoawjsupo;
          List<Integer> rtfskvdd;
          String txwrimwo;
          List<Integer> rlsueycznbec;
          Integer wiboqxnnyjby;
          Integer tpjgzadsl;
          Integer ncwzji;
          Integer gxslparv;
          Integer zcioiclpkc;
          Integer esjloj;
          Integer jrmzi;
          Integer coqxh;
          Integer csdylng;
          Integer fliuk;
          List<Integer> rbnbk;
          String kqclmytapnfm;
          Integer dqlndt;
          String ciergywnviyc;
          Float qffnfbmg;
          String hzases;
          Integer yfywdwpckn;
          String mfhkzjjtac;
          String egldba;
          Integer dsnkiipg;
          String owllvncxwc;
          String umcnrocpnk;
          Integer pzjnnkxkpu;
          String cbepkbipiwy;
          String sidtoadm;
          Integer gbebsls;
          String qdmjhio;
          String qwhctpjrqzl;
          Integer asqxntoueop;
          String diffdush;
          Integer bkieoangrm;
          List<Integer> comyayjvkvw;
          List<Integer> ndvjktzzuzzu;
          List<Integer> dmncb;
          List<Integer> aicnh;
          List<Integer> noznm;
          List<Integer> mtovpqvrvt;
          List<Integer> cyoeso;
          List<Integer> xexcw;
          List<Integer> nhtdqd;
          List<Integer> lqrcqrsuobml;
          List<Integer> pbsdnbzzdw;
          List<Integer> yxlqyliyqvrg;
          List<Integer> tmlmaoycqtuw;
          Integer ldcirqriayn;
          Float yiqgeq;
          Float olqnefjnprtz;
          Float shkfyrpytfa;
          Float tzcmipuj;
          Integer fklflsx;
          Integer walrdei;
          Integer qwqtkuqmsla;
          String nzqduoel;
          Integer otpza;
          String cctxjwhjmyi;
          Integer mzsgtnyfk;
          String ftskxhjtcb;
          Integer gbrujvscq;
          String dzxmmw;
          Integer rhqdugvayl;
          Integer aookder;
          String qscvra;
          Integer upyubsp;
          String shzagw;
          Integer tweniwhxvjjn;
          Integer tzkuser;
          Integer vkbutizlvwvv;
          String qzvhgpew;
          Integer wwrrphmki;
          String xsvhkcmil;
          Integer cyseso;
          String uaqnzjmxru;
          Integer ydmvnvwidrb;
          String xppwn;
          Integer egamsuczb;
          String sdgcotcjilz;
          Integer kxjkjlxllhqm;
          String ycmkvjnwnxw;
          Integer dnzba;
          Integer gtxrnyzeeay;
          Integer snhxyanxkjd;
          String qcbcy;
          List<Integer> ahiatnsb;
          String zuetqpbl;
          Integer dmalnj;
          String rhvkww;
          Integer ccipz;
          String batjsa;
          Integer xilrdu;
          String zcddn;
          Integer savddhvsw;
          String wpfkrmo;
          Integer lxwqeglqg;
          String pzrsbjwftbn;
          String bksteu;
          Float uldnytaqnvj;
          Float tniiqgfvku;
          Float pojntm;
          String tfgkvrve;
          Float lwtesutqb;
          Float owqfxakmzooj;
          Float cmmtltk;
          Float hekkfyhn;
          Float liedzk;
          Float yvmiaa;
          Float kprftdvaqi;
          Float lqookvn;
          Float bxpchxhsweq;
          Float poqkjonoof;
          Float qaioeuzuohn;
          Float pifwzgq;
          Float cdzuozdqwbgm;
          Float lbifqqimiv;
          Float pxsgjlv;
          Float tttkh;
          Float mbufzjclnhx;
          Float scxuelvrmxsn;
          Float bdptli;
          Float xczxonza;
          Float ldwssjxb;
          Float wiouipwwqjbg;
          Float vniafvt;
          Float vssktgubhnx;
          Float kflyvz;
          Integer aknemh;
          Integer nidynr;
          Integer bpwizpukvh;
          Integer crskvy;
          String licwnil;
          Integer ckanqgwvq;
          Integer bxztcjyhgpw;
          Integer nplybxzhxtsw;
          Integer fqdcmqlq;
          Integer crikxhlpbw;
          Float ejegbhvhbqkp;
          Float rhsvcd;
          Float mtbpgsnbkfa;
          Float fghdkkdl;
          Float lvnmyj;
          Integer bgsakgxawgjh;
          String nzvgyrodtsr;
          String abdrwew;
          Float amvfspvwb;
          Integer dqvyvmnmj;
          Float xowqdimpyxmw;
          Integer fkrdbixfma;
          Float hhufuxqln;
          Float uebyr;
          Float syavzsxriebg;
          Float zovgafxv;
          Float ctdcbxbkwoll;
          Float rinfpkytok;
          Float gpulotiilxcr;
          Float aovpmxvxpfg;
          Float zigtcxcepxc;
          Float mmavfb;
          Float mczfhudqhqa;
          Float nfqdpdkbxt;
          Float lcjdxon;
          Float xcmmtzhwraox;
          Float bajzw;
          Float fymfzjnu;
          Float etkfygf;
          Float dqlepesaxea;
          Float lwsuvrnsf;
          Float vbndsascz;
          Float aoxujoci;
          Integer jflepnqlqfrc;
          String crmxb;
          String lfxwl;
          Integer aajylvzrzdhf;
          String upoymzbopmks;
          String wohec;
          String eqaqhqbz;
          Integer oblaryua;
          String ibjqnseq;
          String xhwwq;
          Integer iyoak;
          String mimgsfedn;
          String gvoadzr;
          List<Integer> zsicdjrekfe;
          String aghymcgm;
          List<Integer> szqwrym;
          String nzwpcvb;
          List<Integer> yaqvf;
          String oofni;
          List<Integer> gywrntf;
          String vpliqryy;
          List<Integer> xghtojazsz;
          String rlpvlptk;
          Integer egntvt;
          String awoqmlx;
          Integer zpppbvgi;
          String gaioivdrwz;
          Integer lqmaz;
          List<String> tdblj;
          List<Integer> mmtavpe;
          List<Integer> mzxphtilz;
          Integer xohrlfdgjq;
          String surbjsnsnz;
          String ibcsu;
          String limfokbgjgr;
      }
  
      @NoArgsConstructor
      @Data
  
      public static class TestBO
              extends TestBasicBO {
          public String mlbkyxy;
          public List<Integer> sqhgpd;
          public List<Integer> nikawljmoafb;
          public String rphau;
          public Integer iwhjp;
          public String pjevuugkw;
          public List<Integer> orpkgtuiz;
          public String jsbxdscp;
          public String epnrgnejvfm;
          public Integer poeihbdfwe;
          public List<Integer> mzzaoocfntzn;
          public List<Integer> lrvkotdxp;
          public List<Integer> udkknpqpey;
          public Float uibav;
          public Integer owuwykgifldl;
          public String cjyxckl;
          public String lkfkoddqme;
          public Integer dkcggnjzgdzj;
          public Float gerjcltp;
          public String gcfaiwj;
          public Float bmuniiladuu;
          public List<Integer> fsuahyioln;
          public Integer knpvvsju;
          public Integer bimvkoauvkdm;
          public List<Integer> fnuxllxfcc;
          public List<Integer> udkpqjtlhxy;
          public String xtsrpb;
          public List<Integer> pmxbc;
          public String rtkvfukhtca;
          public Integer vnxnxg;
          public Float gipmqit;
          public Integer dzufoeglnsl;
          public List<Integer> wahnlujq;
          public Float brqaxsksnpqn;
          public Float mohysv;
          public String jmodsimfpxp;
          public Integer ypfimuf;
          public List<Integer> mfdmuwlxe;
          public Float zmgqqr;
          public List<Integer> vuofhyfnh;
          public Float ybizdwlx;
          public String tfqvadbpzanx;
          public Float orxtn;
          public List<Integer> kifznybnfvo;
          public String pjsdytj;
          public Float jobisey;
          public List<Integer> cnzsytgsrmh;
          public List<Integer> rqjdxemd;
          public String bfxxethqvyo;
          public String wgkkexdy;
          public Integer giyeovmj;
          public List<Integer> unhholw;
          public List<String> anseshsvz;
          public List<Double> ribmewsfzwcp;
          public List<Integer> tpwfr;
          public List<Integer> pxjsnytfth;
          public List<Integer> txsbr;
          public Integer nrodwidtchl;
          public List<Integer> ocugbk;
          public List<Integer> cirelkacd;
          public Integer hpqgpicypp;
          public List<Integer> lftecbun;
          public Float ygewofr;
          public String tgjcrxk;
          public Float csujsjzm;
          public String vxsusbwz;
          public String rpnafceep;
          public List<Integer> ytwxyenb;
          public String auhvjywewmo;
          public List<Integer> bbvsrb;
          public List<Integer> vzuftloqaal;
          public List<Integer> krjwsd;
          public String gkihfkuve;
          public String jikuil;
          public String rhdmpjyccf;
          public Integer mhrnx;
          public String yobhtwzf;
          public List<Integer> xeyoj;
          public Float cojoaar;
          public Float bjfkxougmw;
          public String geoilga;
          public List<Integer> xllrjzafquyu;
          public Float xobveiffhsdo;
          public List<Integer> dknpewwdh;
          public String oztdynn;
          public Integer vgddb;
          public String apiqmm;
          public List<Integer> dwjdwz;
          public String wurbwztjp;
          public Integer bseiv;
          public Float zxlysfuokb;
          public String qyfowxe;
          public String iipwsfy;
          public List<Integer> owsejqfkehjn;
          public List<Integer> ztzcv;
          public List<Integer> keygodzfjjmr;
          public List<Integer> bfzfijxvwyb;
          public List<Integer> idhvg;
          public Float sgzgfoadud;
          public String mhzspwrd;
          public Float yuldcj;
          public String bjwnfb;
          public String tlzzjt;
          public List<Integer> tgmul;
          public Float pnsryayelzxt;
          public Float afmdfca;
          public String vxbalqkel;
          public String gaqrvygvjili;
          public Integer qhvoxqalg;
          public String hegjib;
          public String hvbxpgeqek;
          public List<Integer> lpkzkgnya;
          public List<Integer> tbtickvxvho;
          public String mvbciywiejs;
          public String ijcczoqij;
          public String vddps;
          public List<Integer> qomzusabz;
          public Float xqcsrts;
          public Float zqafkvntsh;
          public List<Integer> byygmcw;
          public Integer zwysdiaiev;
          public Float dstftqztrl;
          public List<Integer> wvybkavzf;
          public Integer ujoqlrrgflnf;
          public List<Integer> sbsmqzxj;
          public List<Integer> lkasladbez;
          public String ydmgeywpquba;
          public String vufcvrt;
          public Integer jzhbuueld;
          public List<Integer> nminfrgyts;
          public Integer rxtpyhghh;
          public List<Integer> xvncumabdfhq;
          public Float ftjrvcptykxx;
          public String torraglirgs;
          public Integer jomkavscsf;
          public String duvhc;
          public String czxnlbt;
          public List<Integer> qloaj;
          public String wlircmcfea;
          public String tpbcqj;
          public String otrjwwnsssd;
          public String vkofzdftinz;
          public Float ftinjqovg;
          public String innprvmyj;
          public String ynjqvcudywdy;
          public Float rpdtnenuwr;
          public List<Integer> xiywwxjjhlc;
          public Integer htuwbznbz;
          public String kzqkncbcdcu;
          public List<Integer> xzhor;
          public String sidrpoy;
          public Float ltpmidzjd;
          public List<Integer> lwyuyni;
          public List<Integer> rdsab;
          public List<Integer> kmmoxpxw;
          public Float qtcrtcarxhy;
          public String nvdqgvebdvxw;
          public List<Integer> brvmir;
          public List<Integer> lhfsw;
          public List<Integer> fobff;
          public Float wontvjkp;
          public List<Integer> vrsegwx;
          public List<Integer> mdbyf;
          public Float anpevc;
          public String krtrsevahzu;
      }
  }
  