2018.8.5
Calendar cal=Calendar.getInstance();
int y=cal.get(Calendar.YEAR);
int m=cal.get(Calendar.MONTH);
int d=cal.get(Calendar.DATE);
int h=cal.get(Calendar.HOUR_OF_DAY);
int mi=cal.get(Calendar.MINUTE);
int s=cal.get(Calendar.SECOND);
System.out.println("現在時刻是"+y+"年"+m+"月"+d+"日"+h+"時"+mi+"分"+s+"秒");