JDK 6 - JAVA開発環境2011/04/26

import java.util.Calendar;

class day {
   public static void main(String[] args) {
       Calendar cal = Calendar.getInstance();
       int year = cal.get(Calendar.YEAR);
       int month = cal.get(Calendar.MONTH) + 1;
       int day = cal.get(Calendar.DATE);
       int hour = cal.get(Calendar.HOUR_OF_DAY);
       int minute = cal.get(Calendar.MINUTE);
       System.out.println(year + "/" + month + "/" + day + " " + hour + ":" + minute);
   }
}