content: package com.alibaba.fastjson2.benchmark.primitves;
  
  import com.alibaba.fastjson2.JSON;
  import com.alibaba.fastjson2.benchmark.primitves.vo.LocalDate20Field;
  import com.alibaba.fastjson2.benchmark.primitves.vo.LocalDateTime20Field;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.openjdk.jmh.annotations.Benchmark;
  import org.openjdk.jmh.annotations.Mode;
  import org.openjdk.jmh.infra.Blackhole;
  import org.openjdk.jmh.runner.Runner;
  import org.openjdk.jmh.runner.RunnerException;
  import org.openjdk.jmh.runner.options.Options;
  import org.openjdk.jmh.runner.options.OptionsBuilder;
  
  import java.util.concurrent.TimeUnit;
  
  public class LocalDate20 {
      static String str = "{\n" +
              "  \"v0000\" : \"2001-07-01\",\n" +
              "  \"v0001\" : \"2011-06-02\",\n" +
              "  \"v0002\" : \"2021-11-03\",\n" +
              "  \"v0003\" : \"2001-11-14\",\n" +
              "  \"v0004\" : \"2002-10-07\",\n" +
              "  \"v0005\" : \"2003-09-12\",\n" +
              "  \"v0006\" : \"2006-08-16\",\n" +
              "  \"v0007\" : \"2002-01-30\",\n" +
              "  \"v0008\" : \"2009-02-27\",\n" +
              "  \"v0009\" : \"2011-04-26\",\n" +
              "  \"v0010\" : \"2012-06-23\",\n" +
              "  \"v0011\" : \"2022-02-18\",\n" +
              "  \"v0012\" : \"2021-08-17\",\n" +
              "  \"v0013\" : \"2021-01-17\",\n" +
              "  \"v0014\" : \"2020-03-14\",\n" +
              "  \"v0015\" : \"2019-02-14\",\n" +
              "  \"v0016\" : \"2018-12-14\",\n" +
              "  \"v0017\" : \"2007-10-14\",\n" +
              "  \"v0018\" : \"2008-02-14\",\n" +
              "  \"v0019\" : \"2011-03-14\"\n" +
              "}\n";
  
      static ObjectMapper mapper = new ObjectMapper();
  
      @Benchmark
      public void fastjson2(Blackhole bh) {
          bh.consume(
                  JSON.parseObject(str, LocalDate20Field.class, "yyyy-MM-dd")
          );
      }
  
      @Benchmark
      public void fastjson1(Blackhole bh) {
          bh.consume(
                  com.alibaba.fastjson.JSON.parseObject(str, LocalDateTime20Field.class)
          );
      }
  
      @Benchmark
      public void jackson(Blackhole bh) throws Exception {
          bh.consume(
                  mapper.readValue(str, LocalDate20Field.class)
          );
      }
  
      public static void main(String[] args) throws RunnerException {
          Options options = new OptionsBuilder()
                  .include(LocalDate20.class.getName())
                  .mode(Mode.Throughput)
                  .timeUnit(TimeUnit.MILLISECONDS)
                  .warmupIterations(3)
                  .forks(1)
                  .build();
          new Runner(options).run();
      }
  }
  