lichader

import java.time.*;

public class DateTimePlay {

    private final ZoneId SHANGHAI_TZ = ZoneId.of("Asia/Shanghai");
    private final ZoneId MELBOURNE_TZ = ZoneId.of("Australia/Melbourne");


    public static void main(String[] args){
        var dtp = new DateTimePlay();

lichader

" copy all this into a vim buffer, save it, then...
" source the file by typing :so %
" Now the vim buffer acts like a specialized application for mastering vim

" There are two queues, Study and Known.  Depending how confident you feel
" about the item you are currently learning, you can move it down several
" positions, all the way to the end of the Study queue, or to the Known
" queue.

" type ,, (that's comma comma)