dateformatter.java

程序练习中包括书中实例程序代码和练习中要用到的代码,是压缩文件

package examples.i18n; 
import java.text.DateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.Locale;
/** Class to demonstrate the use of the Calendar
  * class and date formatting
  */
public class DateFormatter {
   /** main entrypoint - starts the application
     * @param args not used
     */
   public static void main( String[] args) {
      Calendar calDefault = Calendar.getInstance();
      Date today = calDefault.getTime();
      test( "DEFAULT style",
            DateFormat.DEFAULT, today );
      test( "FULL style", DateFormat.FULL, today );
      test( "LONG style", DateFormat.LONG, today );
      test( "MEDIUM style", DateFormat.MEDIUM, today );
      test( "SHORT style", DateFormat.SHORT, today );
   }
   /** Common test routine
     * @param label the label for the test
     * @param style the DateFormat style to be used
     * @param date the date to be formatted
     */
   static void test( String label, int style,
                     Date date ) {
      System.out.println( label );
      DateFormat df
         = DateFormat.getDateInstance( style );
      System.out.print( "\tDefault locale:   " );
      System.out.println( df.format( date ) );
      df = DateFormat.getDateInstance( style,
                                       Locale.ITALY );
      System.out.print( "\tLocale for Italy: " );
      System.out.println( df.format( date ) );
   }
}