New PDF release: Groovy Recipes: Greasing the Wheels of Java

By Scott Davis

ISBN-10: 0978739299

ISBN-13: 9780978739294

Even if you are new to Groovy or you are an skilled Groovy programmer, Groovy Recipes, is a must-have reference e-book. Groovy Recipes, is sweet at giving a simple clarification on Groovy middle techniques. yet, its genuine energy is in supplying a plethora of examples, that preserve you coming again to this ebook, many times, to benefit the easy beauty of writing Groovy code. whether you are an skilled Java or Groovy programmer, you will need this booklet on your programming software field. I usually reference Chapters 6,7 and eight, "File Tricks," "Parsing XML" and "Writing XML," respectively. The final chapters of the publication, which disguise Grails, are okay, if you'd like a normal realizing of what Grails is and the way to take advantage of it. even if, if Grails is your better curiosity, there are greater books that you will need to have in your shelf to reference (e.g. Groovy and Grails Recipes and The Definitive consultant to Grails).Bottom line, if Groovy is your basic programming language, this is often a good ebook to have on your arsenal.

Show description

Read or Download Groovy Recipes: Greasing the Wheels of Java PDF

Best java books

New PDF release: Java EE and HTML5 Enterprise Application Development

Create Next-Generation company Applications

Build and distribute company internet functions that concentrate on either computing device and cellular units. Cowritten through Java EE and NetBeans IDE specialists, Java EE and HTML5 firm program improvement absolutely explains state-of-the-art, hugely responsive layout instruments and techniques. how you can navigate NetBeans IDE, build HTML5 courses, hire JavaScript APIs, combine CSS and WebSockets, and deal with defense. This Oracle Press advisor additionally deals functional assurance of SaaS, MVVM, and RESTful concepts.

discover HTML5 and Java EE 7 good points
Use NetBeans IDE editors, templates, and code turbines
enforce MVVM performance with Knockout. js
Dynamically map database gadgets utilizing Java endurance API
Configure, deal with, and invoke RESTful internet prone
Maximize messaging potency via WebSockets
settle for and strategy HTML5 Server-Sent occasions streams
hire Syntactically amazing Stylesheets, CSS3, and Sassy CSS

Java(TM) Look and Feel Design Guidelines by Sun Microsystems PDF

(Pearson schooling) guidance for growing cross-platform Java functions and applets with the JFC parts. The CD-ROM comprises code samples and a wide number of photos designed to be used with Java beginning Classics (JFC) elements. additionally contains a significant other site. earlier variation now not pointed out.

Download e-book for kindle: Groovy Recipes: Greasing the Wheels of Java by Scott Davis

No matter if you are new to Groovy or you are an skilled Groovy programmer, Groovy Recipes, is a must-have reference booklet. Groovy Recipes, is nice at giving a easy rationalization on Groovy center ideas. yet, its genuine energy is in delivering a plethora of examples, that continue you coming again to this publication, many times, to profit the straightforward attractiveness of writing Groovy code.

Download e-book for kindle: More Servlets and JavaServer Pages by Marty Hall

Useful consultant to using the Java 2 Platform for Web-enabled functions and dynamic sites. specializes in new features: the normal JSP tag library, filters, life-cycle occasion listeners, declarative and programmatic safety, internet purposes, and masses extra. Softcover

Extra resources for Groovy Recipes: Greasing the Wheels of Java

Sample text

You’re catching an exception because you want to, not because the compiler wants you to do so. each{ println d++ } ===> Sat Sep 01 13:14:20 MDT 2007 Sun Sep 02 13:14:20 MDT 2007 Mon Sep 03 13:14:20 MDT 2007 Operator overloading is alive and well in Groovy after a long absence from the Java language. As you can see in this example, the ++ operator calls the next() method under the covers. compareTo(b) This syntactic sugar shows up throughout the GDK5 (Groovy enhancements to the JDK). List. add("foo")) or in the new Groovy way (list << "foo").

Of course, you can add these methods to your own classes as well. leftShift(item) becomes order << item in Groovy. DATE, 7) ever did. 5. groovy:2) //notice that we can call size() //without throwing a NullPointerException //thanks to the safe dereferencing ? size() ===> null Null references can appear unexpectedly. doSomething(); } This is tedious (and verbose) if receiving a null reference isn’t as catastrophic as the compiler would like you to believe. Groovy offers a shortcut if you’d like to ignore the NullPointerException and proceed silently.

Next, I can wrap those results in HTML fragments using the MarkupBuilder named html that is available to every Groovlet. ) Here is what the resulting HTML looks like... 4, on the next page, you can see what it looks like in the browser. Groovlets aren’t meant to be a replacement for a full-feature web framework. They are simply scripts that you can run on a web server as easily as you could from the command line. For an example of using Groovy within a web framework, see the chapters on Grails and Gorm.

Download PDF sample

Groovy Recipes: Greasing the Wheels of Java by Scott Davis


by Paul
4.0

Rated 4.04 of 5 – based on 44 votes