Java tutorial
import java.time.YearMonth; import java.time.format.DateTimeFormatter; public class Main { public static void main(String[] args) { System.out.println(toUUUUMM(YearMonth.now())); } public static String toUUUUMM(YearMonth yearAndMonth) { return yearAndMonth.format(DateTimeFormatter.ofPattern("uuuuMM")); } }