describe days to seconds in java code example

Example: java 8 seconds to days

int day = (int)TimeUnit.SECONDS.toDays(seconds);        
 long hours = TimeUnit.SECONDS.toHours(seconds) - (day *24);
 long minute = TimeUnit.SECONDS.toMinutes(seconds) - (TimeUnit.SECONDS.toHours(seconds)* 60);
 long second = TimeUnit.SECONDS.toSeconds(seconds) - (TimeUnit.SECONDS.toMinutes(seconds) *60);