Calendar 具體使用方法:
Calendar c = Calendar.getInstance();
System.out.println("年:"+ c.get( Calendar.YEAR ) );
System.out.println("月:"+ (c.get( Calendar.MONTH )+1) );
System.out.println("日:"+ c.get( Calendar.DATE ) );
System.out.println("時:"+ c.get( Calendar.HOUR_OF_DAY ) );
System.out.println("分:"+ c.get( Calendar.MINUTE ));
System.out.println("秒:"+ c.get( Calendar.SECOND ));
System.out.println("毫秒:"+ c.get( Calendar.MILLISECOND ));
System.out.println("年:"+ c.get( Calendar.YEAR ) );
System.out.println("月:"+ (c.get( Calendar.MONTH )+1) );
System.out.println("日:"+ c.get( Calendar.DATE ) );
System.out.println("時:"+ c.get( Calendar.HOUR_OF_DAY ) );
System.out.println("分:"+ c.get( Calendar.MINUTE ));
System.out.println("秒:"+ c.get( Calendar.SECOND ));
System.out.println("毫秒:"+ c.get( Calendar.MILLISECOND ));