<dependency> <groupId>joda-time</groupId> <artifactId>joda-time</artifactId> <version>2.10.11</version> </dependency> import org.joda.time.LocalDate; import org.joda.time.format.DateTimeFormat; import org.joda.time.format.DateTimeFormatter; public class DateConversionExample { public static void main(String[] args) { String inputDate = "2021-09-15"; DateTimeFormatter inputFormatter = DateTimeFormat.forPattern("yyyy-MM-dd"); LocalDate date = LocalDate.parse(inputDate, inputFormatter); String chineseDate = chineseFormatter.print(date); } }