<dependency> <groupId>com.github.eernie</groupId> <artifactId>DateAdapterJ</artifactId> <version>1.1</version> </dependency> import com.dateadapterj.DateAdapter; import com.dateadapterj.DateFormatException; DateAdapter dateAdapter = new DateAdapter("yyyy-MM-dd", "dd/MM/yyyy"); try { Date inputDate = dateAdapter.parse("2021-12-31"); String outputDate = dateAdapter.format(inputDate); } catch (DateFormatException e) { e.printStackTrace(); }