code for Japanese Imperial Calendar

import java.util.Calendar;
import java.util.Locale;
import java.util.Map;

public class JapaneseCalendar {
public static void main(String args[]) {
Locale locale = new Locale("ja", "JP", "JP");
Calendar now = Calendar.getInstance(locale);

Map names = now.getDisplayNames(Calendar.ERA, Calendar.LONG, locale);
System.out.printf("%s%n", names);
System.out.printf("It is year %tY of the current era%n", now);
System.out.printf("The calendar class is: %s%n", now.getClass().getName());
}
}