milliseconds to days

Question

i did some research  but still can t find how to get the days    Here is what I got   int seconds    int   milliseconds   1000    60   int minutes    int    milliseconds    1000 60     60   int hours      int    milliseconds    1000 60 60     24   int days             Please help  I suck at math  thank s

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For simple cases like this  TimeUnit should be used   TimeUnit usage is a bit more explicit about what is being represented and is also much easier to read and write when compared to doing all of the arithmetic calculations explicitly   For example  to calculate the number days from milliseconds  the following statement would work       long days   TimeUnit MILLISECONDS toDays milliseconds     For cases more advanced  where more finely grained durations need to be represented in the context of working with time  an all encompassing and modern date time API should be used   For JDK8   java time is now included  here are the tutorials and javadocs    For earlier versions of Java joda-time is a solid alternative

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If you don t have another time interval bigger than days   int days    int   milliseconds    1000 60 60 24      If you have weeks too   int days    int    milliseconds    1000 60 60 24     7   int weeks    int   milliseconds    1000 60 60 24 7      It s probably best to avoid using months and years if possible  as they don t have a well-defined fixed length  Strictly speaking neither do days  daylight saving means that days can have a length that is not 24 hours

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In case you solve a more complex task of logging execution statistics in your code   public void logExecutionMillis LocalDateTime start  String callerMethodName       LocalDateTime end   getNow      long difference   Duration between start  end  toMillis       Logger logger   LoggerFactory getLogger ProfilerInterceptor class      long millisInDay   1000   60   60   24    long millisInHour   1000   60   60    long millisInMinute   1000   60    long millisInSecond   1000     long days   difference   millisInDay    long daysDivisionResidueMillis   difference - days   millisInDay     long hours   daysDivisionResidueMillis   millisInHour    long hoursDivisionResidueMillis   daysDivisionResidueMillis - hours   millisInHour     long minutes   hoursDivisionResidueMillis   millisInMinute    long minutesDivisionResidueMillis   hoursDivisionResidueMillis - minutes   millisInMinute     long seconds   minutesDivisionResidueMillis   millisInSecond    long secondsDivisionResidueMillis   minutesDivisionResidueMillis - seconds   millisInSecond     logger info          n                                                                         n              callerMethodName                 -               difference               millis                days               d                hours               h                minutes               min                seconds               sec               secondsDivisionResidueMillis               millis          P S  Logger can be replaced with simple System out println   if you like

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public static final long SECOND IN MILLIS   1000  public static final long MINUTE IN MILLIS   SECOND IN MILLIS   60  public static final long HOUR IN MILLIS   MINUTE IN MILLIS   60  public static final long DAY IN MILLIS   HOUR IN MILLIS   24  public static final long WEEK IN MILLIS   DAY IN MILLIS   7    You could cast int but I would recommend using long

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int days    int   milliseconds   86 400 000

[java] milliseconds to days

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