日期 年月日
SimpleDateFormat formatter1= new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
SimpleDateFormat formatter2= new SimpleDateFormat("ssmmHHddMMYY");
SimpleDateFormat formatter3= new SimpleDateFormat("ssmmHHddMMYYYY");
Date date=null;
date = new Date(System.currentTimeMillis());
System.out.println("AAA1=="+formatter1.format(date));
System.out.println("AAA2=="+formatter2.format(date));
System.out.println("AAA3=="+formatter3.format(date));