LocalDate test

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.ZonedDateTime;
import java.util.TimeZone;

import org.springframework.data.convert.Jsr310Converters.LocalDateToDateConverter;

public class test {
public static void main(String[] args) {
  System.out.println(ZoneId.systemDefault());
  System.out.println(TimeZone.getDefault().toZoneId());
  LocalDate a=LocalDate.now();
  System.out.println(a);
  LocalDateToUTCDateConverter converter1=new LocalDateToUTCDateConverter();
  System.out.println(converter1.convert(a));
  System.out.println(LocalDateToDateConverter.INSTANCE.convert(a));
  LocalDateTime localDateTime=LocalDateTime.now();
  System.out.println(localDateTime);
  System.out.println(ZonedDateTime.of(localDateTime, ZoneId.of("UTC")));
  System.out.println(ZonedDateTime.of(localDateTime, ZoneId.systemDefault()));
}
}

Asia/Shanghai
Asia/Shanghai
2018-09-17
Mon Sep 17 08:00:00 CST 2018
Mon Sep 17 00:00:00 CST 2018
2018-09-17T11:35:21.821
2018-09-17T11:35:21.821Z[UTC]
2018-09-17T11:35:21.821+08:00[Asia/Shanghai]