Manipulating calendar dates is an essential aspect of many applications written in Java. Traditionally, developers relied on the java.util.Calendar class to get the current date: Calendar calendar ...

You’ll work directly with the types in the other four packages only when you need to go beyond java.time‘s default ISO-8601 calendar system. Date and Time’s many types can seem overwhelming.

but the LocalDate class' HourOfDay field will cause the attempt to format the date to fail. Fortunately, there are numerous different date formats from which to choose. Switch to an ISO_DATE in this ...