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Java 9: Building Robust Modular Applications
book

Java 9: Building Robust Modular Applications

by Dr. Edward Lavieri, Peter Verhas, Jason Lee
April 2018
Intermediate to advanced content levelIntermediate to advanced
910 pages
33h 21m
English
Packt Publishing
Content preview from Java 9: Building Robust Modular Applications

Period

Period is a date-based unit of time. Whereas Duration was about time (hours, minutes, seconds, and so on), Period is about years, weeks, months, and so forth. Like Duration, it exposes several arithmetic methods to add and subtract, though these deal with years, months, and days. It also offers plus(long amount, TemporalUnit unit) (and the equivalent minus) as well.

Also, like Duration, Period has a parse() method, which also takes an ISO-8601 format that looks like this--PnYnMnD and PnW. Based on the discussion earlier, the structure is probably pretty obvious:

  • The string starts with an optional sign, followed by the letter P.
  • After that, for the first form, come three sections, at least one of which must be present--years (Y), months( ...
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Publisher Resources

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