July 2017
Intermediate to advanced
466 pages
11h 24m
English
Content preview from Java 9 Programming Blueprints
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Date Calculator
With the release of Java 8, Oracle integrated a new library based on a redesign of Joda Time, more or less, into the JDK. Officially known as JSR 310, this new library fixed a longstanding complaint with the JDK--the official date libraries were inadequate and hard to use. In this project, we'll build a simple command-line date calculator that will take a date and, for example, add an arbitrary amount of time to it. Consider the following piece of code for example:
$ datecalc "2016-07-04 + 2 weeks" 2016-07-18 $ datecalc "2016-07-04 + 35 days" 2016-08-08 $ datecalc "12:00CST to PST" 10:00PST
This project will cover the following:
- Java 8 Date/Time APIs
- Regular expressions
- Java command-line libraries
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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