毫秒转换为时分秒

public static void main(String[] args) {
    //毫秒转换为时分秒
    long time = 389000000;
    StringBuilder sb = new StringBuilder();
    if (time > 0) {
        long hour = time / (1000 * 60 * 60);
        long minute = (time - (hour * 1000 * 60 * 60)) / (1000 * 60);
        long second = (time - (hour * 1000 * 60 * 60) - (minute * 1000 * 60)) / 1000;
        if (hour > 0) {
            sb.append(hour).append("h");
        }
        if (minute > 0) {
            sb.append(minute).append("m");
        }
        if (second > 0) {
            sb.append(second).append("s");
        }
        System.out.println("时间：" + sb);
    }
}