sort array list of special strings

class Task implements Comparable<Task> {
    private Date date;
    private String task;
    Task (String taskString) {
        // find the split point
        int splitPoint = 45;
        try {
            this.date =
                    DateFormat.getInstance().
                    parse(taskString.substring(0, splitPoint));
        } catch (ParseException ex) {
            this.date = new Date();
        }
        this.task = taskString.substring(splitPoint);
    }
    public int compareTo(Task o) {
        int compare = this.date.compareTo(o.date);
        if (compare == 0) {
            compare = this.task.compareTo(o.task);
        }
        return compare;
    }
}