Date to string without extra chars

import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Calendar;

public class DateToStringExample1
{
  public static void main(String args[])
  {
    Date date = Calendar.getInstance().getTime();
    DateFormat dateFormat = new SimpleDateFormat("yyyy-mm-dd hh:mm:ss");
    String strDate = dateFormat.format(date);

    String[] dateParts = strDate.split(" ");
    String[] currentDate = dateParts[0].split("-");
    String[] currentHour = dateParts[1].split(":");

    String dateJoined = String.join("", currentDate);
    String totalJoined = dateJoined + String.join("", currentHour);
    System.out.println("Converted String: " + totalJoined);
  }
}