Java 用不同国家的格式显示时间

import java.text.DateFormat;
import java.util.*;

public class Main {
   public static void main(String[] args) throws Exception {
      Date d1 = new Date();
      System.out.println("today is "+ d1.toString());    
      Locale locItalian = new Locale("it","ch");
      DateFormat df = DateFormat.getDateInstance (DateFormat.FULL, locItalian);
      System.out.println("today is in Italian Language  in Switzerland Format : "+ df.format(d1));
   }
}