LocalDateTime Formatters on the Java Shell tool

LocalDateTimeFormattersJShell.java

jshell> import java.util.ArrayList;

jshell> import java.time.format.DateTimeFormatter;                                                                ^

jshell> ArrayList<DateTimeFormatter> ldtFormattersList = new ArrayList<>();
ldtFormattersList ==> []

jshell> ldtFormattersList.add(DateTimeFormatter.BASIC_ISO_DATE);
$57 ==> true

jshell> ldtFormattersList.add(DateTimeFormatter.ISO_LOCAL_DATE);
$58 ==> true

jshell> ldtFormattersList.add(DateTimeFormatter.ISO_LOCAL_TIME);
$59 ==> true

jshell> ldtFormattersList.add(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
$60 ==> true

jshell> ldtFormattersList.add(DateTimeFormatter.ISO_TIME);
$61 ==> true

jshell> ldtFormattersList.add(DateTimeFormatter.ISO_DATE);
$62 ==> true

jshell> ldtFormattersList.add(DateTimeFormatter.ISO_DATE_TIME);
$63 ==> true

jshell> ldtFormattersList.add(DateTimeFormatter.ISO_ORDINAL_DATE);
$64 ==> true
  
jshell> import java.time.LocalDateTime;

jshell> LocalDateTime ldt = LocalDateTime.now();
ldt ==> 2019-04-27T16:35:55.066751

jshell> ldtFormattersList.forEach(f -> {
   ...> System.out.println(ldt.format(f));
   ...> });
20190427
2019-04-27
16:35:55.066751
2019-04-27T16:35:55.066751
16:35:55.066751
2019-04-27
2019-04-27T16:35:55.066751
2019-117