Android
import java.util.Calendar; import java.util.GregorianCalendar; public static int getDaysOfMonth(){ Calendar calendar = Calendar.getInstance(); int year = calendar.get(Calendar.YEAR); int month = calendar.get(Calendar.MONTH); Calendar c = n…
import java.text.DateFormat; import java.text.SimpleDateFormat; import java.util.Date; public static String getNowDate(){ Date now = new Date(System.currentTimeMillis()); DateFormat formatter = new SimpleDateFormat("yyyy年MM月dd日 HH時mm分…