protected String timeStr(long timePoint, long startTimePoint) { return timeStr(timePoint - startTimePoint) ; }
protected String timeStr(long timePoint, long startTimePoint) { return timeStr(timePoint - startTimePoint) ; }
public String timeStr(long timeInterval) { return Timer.timeStr(timeInterval) ; }
public String timeStr(long timeInterval) { return Timer.timeStr(timeInterval) ; }