java计算两个时间差
/**
* 两个时间差计算
*
* @param args
*/
public static void main(String[] args) {
SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date beginTimeDate = new Date();
Date endTimeDate = new Date();
String beginTime = "2020-11-09 00:00:00";
String endTime = "2020-11-10 00:30:00";
try {
beginTimeDate = simpleDateFormat.parse(beginTime);
endTimeDate = simpleDateFormat.parse(endTime);
long begin = beginTimeDate.getTime();
long end = endTimeDate.getTime();
int day = (int) ((end - begin) / (1000 * 60 * 60 * 24));//两个时间天数差
int hour = (int) ((end - begin) / (1000 * 60 * 60));//两个时间小时差
int minute = (int) ((end - begin) / (1000 * 60));//两个时间分钟差
System.err.println("两个时间天数差为：" + day);
System.err.println("两个时间小时差为：" + hour);
System.err.println("两个时间分钟差为：" + minute);
} catch (ParseException e) {
e.printStackTrace();
}
}