Date +0800 problem

package com.example.testredis.controller;

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

public class TestTime {
    public static void main(String[] args) throws ParseException {

        Date nowDate = new Date();


        DateFormat dateFormat1 = new SimpleDateFormat("yyyyMMddHHmmsszzz");
        System.out.println(dateFormat1.format(nowDate));

        // After the encounter +0800 time need not be afraid, that is, ordinary time 
        DateFormat dateFormat2 = new new SimpleDateFormat ( "yyyyMMddHHmmssZZZ" );
        System.out.println(dateFormat2.format(nowDate));


        // the MM HH This is a two uppercase 
        DateFormat dateFormat3 = new new the SimpleDateFormat ( "the MM-dd-YYYY HH: mm: SS" );
        System.out.println(dateFormat3.format(nowDate));

        // mm 2 lowercase HH which is wrong 
        DateFormat dateFormat4 = new new the SimpleDateFormat ( "mm-dd-YYYY HH: mm: SS" );
        System.out.println(dateFormat4.format(nowDate));

        // convert into regular +0800 ms 
        DateFormat dateFormat5 = new new the SimpleDateFormat ( "yyyyMMddHHmmssZZZ" );
        String jia800Date = "20191224211649+0800";
        Date date = dateFormat5.parse(jia800Date);
        System.out.println(dateFormat3.format(date));

        // conversion time Ali Baba, uppercase SS milliseconds, Ali Baba milliseconds 
        String ali1688Date = "20200619150904000 + 0800" ;
        ali1688Date = ali1688Date.substring(0, ali1688Date.length()-8);
        System.out.println(ali1688Date);
        DateFormat dateFormat6 = new SimpleDateFormat("yyyyMMddHHmmss");
        Date abc = dateFormat6.parse(ali1688Date);
        System.out.println(dateFormat3.format(abc));
    }
}