Java: convert seconds to minutes, hours and days

java

The task is:

The output should look like this (it is a good idea to echo back the input): You entered 500,000 seconds, which is 5 days, 18 hours, 53 minutes and 20 seconds. (5 days 18:53:20 hours)

How should I do it? What is the easiest way to understand and do it?

Also the instructor said "no hard coding" which I'm not exactly sure what is, but I think he wants us to assign them constants.

Best Answer

An example using the built-in TimeUnit.

long uptime = System.currentTimeMillis();

long days = TimeUnit.MILLISECONDS
    .toDays(uptime);
uptime -= TimeUnit.DAYS.toMillis(days);

long hours = TimeUnit.MILLISECONDS
    .toHours(uptime);
uptime -= TimeUnit.HOURS.toMillis(hours);

long minutes = TimeUnit.MILLISECONDS
    .toMinutes(uptime);
uptime -= TimeUnit.MINUTES.toMillis(minutes);

long seconds = TimeUnit.MILLISECONDS
    .toSeconds(uptime);