Groovy Book
Groovy Book
About the Book
The books is a collection of articles that will help you learn Groovy and to use it to your advantage.
About the Author
Bundles that include this book
Table of Contents
- About the book
- Preface
-
Changes
- v0.04 2019-04-21
- v0.03 2019-04-07
- v0.02 2018-09-14
- v0.01 2018-09-13
-
Overview
- Hello World in Groovy
- Groovy: read from console (STDIN, keyboard)
- Groovy value types
- Groovy: Undeclared variable - runtime exception - groovy.lang.MissingPropertyException
- Groovy: Number guessing game
- Groovy: Determine type of an object
- Groovy: Lists
- Groovy: sum of numbers
- Groovy: color selector
- Groovy: read CSV file
- Count digits in Groovy
- Groovy: reading and writing files - appending content
- Groovy: listing the content of a directory, traversing a directory tree
- Groovy - Regular Expressions - regexes
- Groovy map (dictionary, hash, associative array)
- Groovy: JSON - reading and writing
- Groovy: Date, Time, Timezone
- Groovy: import and use functions from another file
- Groovy: Random numbers, random selection from list of values
- Groovy: Closures
- Groovy: remove spaces from a string
- Groovy: temporary file with autodelete
- Groovy: relative path
- Return multiple values from a function
- Groovy string length
- Groovy: substring
- Groovy: for loop - break - continue
- Groovy code reuse
- Groovy functions
- Groovy: evaluate code in another file
- Groovy classes
- Groovy function overloading
- Groovy variable scope
- Groovy recursive functions
- Groovy command line arguments (args)
- Groovy: join elements of an array
- Groovy pop push
- Groovy: Formatted printing with printf and sprintf
- Groovy System properties
- Groovy path to current executable script
- Index
The Leanpub 60 Day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
Now, this is technically risky for us, since you'll have the book or course files either way. But we're so confident in our products and services, and in our authors and readers, that we're happy to offer a full money back guarantee for everything we sell.
You can only find out how good something is by trying it, and because of our 100% money back guarantee there's literally no risk to do so!
So, there's no reason not to click the Add to Cart button, is there?
See full terms...
Earn $8 on a $10 Purchase, and $16 on a $20 Purchase
We pay 80% royalties on purchases of $7.99 or more, and 80% royalties minus a 50 cent flat fee on purchases between $0.99 and $7.98. You earn $8 on a $10 sale, and $16 on a $20 sale. So, if we sell 5000 non-refunded copies of your book for $20, you'll earn $80,000.
(Yes, some authors have already earned much more than that on Leanpub.)
In fact, authors have earnedover $13 millionwriting, publishing and selling on Leanpub.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
