Convert seconds to compound duration: Difference between revisions

=={{header|Java}}==

<lang java>public class CompoundDuration {

public static void main(String[] args) {

compound(7259);

compound(86400);

compound(6000_000);

}

private static void compound(long seconds) {

StringBuilder sb = new StringBuilder();

seconds = compoundUnit(sb, seconds, 7 * 86400, " wk, ");

seconds = compoundUnit(sb, seconds, 86400, " d, ");

seconds = compoundUnit(sb, seconds, 60 * 60, " hr, ");

seconds = compoundUnit(sb, seconds, 60, " min, ");

if (seconds > 0)

sb.append(seconds).append(" sec");

else if(sb.length() > 2)

sb.setLength(sb.length() - 2);

System.out.println(sb);

}

private static long compoundUnit(StringBuilder sb, long sec, long unit, String s) {

long n = 0;

if (sec > 0 && (n = sec / unit) > 0) {

sb.append(n).append(s);

sec %= (n * unit);

}

return sec;

}

}</lang>

<pre>2 hr, 59 sec

1 d

9 wk, 6 d, 10 hr, 40 min</pre>