Java Utililty Methods Second to Minute

final double minutesRemaining = (secs / 60) % 60;
final double hoursRemaining = Math.floor(secs / 60 / 60);
final double secondsRemaining = secs % 60;
final StringBuilder sb = new StringBuilder();
if (hoursRemaining > 0.0) {
    sb.append((int) hoursRemaining);
    sb.append(" hrs, ");
if (minutesRemaining > 0.0) {
    sb.append((int) minutesRemaining);
    sb.append(" mins, ");
sb.append((int) secondsRemaining);
sb.append(" secs");
return sb.toString();

int m = s / 60;
int ss = s % 60;
return align(m) + ":" + align(ss);

int ms = seconds / 60;
int ss = seconds % 60;
String m = (ms < 10 ? "0" : "") + ms;
String s = (ss < 10 ? "0" : "") + ss;
return m + ":" + s;

if (seconds == 0) {
    return 0;
} else {
    int minutes = seconds / 60;
    if (seconds % 60 > 0) {
        minutes += 1;
    return minutes;
...

if (time < 0)
    return null;
int minutes = (time / 60) % 60;
String minutesStr = (minutes < 10 ? "0" : "") + minutes;
return minutesStr;

int mark = time.indexOf(':');
if (mark > 0) {
    int hour = Integer.parseInt(time.substring(0, mark));
    if (hour == 12) {
        hour = 0;
    String mins = time.substring(mark + 1, time.length() - 1);
    int minute = Integer.parseInt(mins);
...

int mins;
if (in.length() == 8 && in.charAt(2) == ':' && in.charAt(5) == ':') {
    mins = (in.charAt(0) & 0xF) * 600 + (in.charAt(1) & 0xF) * 60 + (in.charAt(3) & 0xF) * 10
            + (in.charAt(4) & 0xF);
} else {
    mins = 0;
return mins;
...

StringBuilder sb = new StringBuilder(20).append(seconds).append('.');
if (nanoseconds == 0L) {
    if (seconds == 0L) {
        return "0.0";
    sb.append("000000000");
} else {
    StringBuilder nanoSB = new StringBuilder(9);
...

StringBuilder string = new StringBuilder(Integer.toString(nanoseconds));
if (string.length() < 9)
    string.insert(0, ZEROES, 0, 9 - string.length());
return seconds + "." + string;

hour = (hour < 0) ? 0 : hour;
minutes = (minutes < 0) ? 0 : minutes;
return ((hour * 60) + minutes);