java日期操作实例

    技术2022-05-11  61

    import java.util.*; import java.util.*; import java.text.*; public class Default {  public static void main(String[] args)   {  Locale aLocale = Locale.JAPAN;  Locale.setDefault(aLocale);  System.out.println("Locale: " + aLocale);  System.out.println("ISO 2 letter: "+ aLocale.getLanguage());  System.out.println("ISO 3 letter: " + aLocale.getISO3Language());  System.out.println("Date:"+getStringDateShort());  System.out.println("year:"+getYear());  System.out.println("month:"+getMonth());  System.out.println("day:"+getDay());  aLocale = Locale.US;  Locale.setDefault(aLocale);  System.out.println("Locale:" + aLocale);  System.out.println("ISO 2 letter: " + aLocale.getLanguage());  System.out.println("ISO 3 letter: " + aLocale.getISO3Language());  System.out.println("Date:"+getStringDateShort());  System.out.println("year:"+getYear());  System.out.println("month:"+getMonth());  System.out.println("day:"+getDay());  System.out.println("Default Local:"+Locale.getDefault());  TimeZone tz=TimeZone.getDefault();   System.out.println(tz);  ResourceBundle bundle = ResourceBundle.getBundle("Dorian",Locale.US);   System.out.println(bundle.getString("red.label"));   }     public static String getStringDateShort(){         Date currentTime = new Date();         SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd");         String dateString = formatter.format(currentTime);         return dateString;     }     public static int getDay(){         GregorianCalendar currentDay = new GregorianCalendar();         int today=currentDay.get(Calendar.DAY_OF_MONTH);         return today;     }     public static int getMonth(){         GregorianCalendar currentDay = new GregorianCalendar();         int month=currentDay.get(Calendar.MONTH)+1;         return month;     }     public static int getYear(){         GregorianCalendar currentDay = new GregorianCalendar();         int year=currentDay.get(Calendar.YEAR);         return year;     } }  

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