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What's New in Java 7 [Format Kindle]

Madhusudhan Konda

Prix Kindle : EUR 0,00 inclut la livraison internationale sans fil gratuite par Amazon Whispernet

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Descriptions du produit

Présentation de l'éditeur

Java 7 has a number of features that will please developers. Madhusudhan Konda provides an overview of these, including strings in switch statements, multi-catch exception handling, try-with-resource statements, the new File System API, extensions of the JVM, support for dynamically-typed languages, and the fork and join framework for task parallelism.

Détails sur le produit

  • Format : Format Kindle
  • Taille du fichier : 146 KB
  • Nombre de pages de l'édition imprimée : 19 pages
  • Utilisation simultanée de l'appareil : Illimité
  • Editeur : O'Reilly Media; Édition : 1 (20 octobre 2011)
  • Vendu par : Amazon Media EU S.à r.l.
  • Langue : Anglais
  • ASIN: B005XSS8VC
  • Synthèse vocale : Activée
  • X-Ray :
  • Word Wise: Non activé
  • Composition améliorée: Non activé
  • Classement des meilleures ventes d'Amazon: n°5.893 des titres gratuits dans la Boutique Kindle (Voir le Top 100 gratuits dans la Boutique Kindle)

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Commentaires client les plus utiles sur Amazon.com (beta)
Amazon.com: 3.9 étoiles sur 5  81 commentaires
17 internautes sur 17 ont trouvé ce commentaire utile 
3.0 étoiles sur 5 Would have been better if mentioned what is not covered in case it was of interest to the reader 7 décembre 2011
Par Ali Julia - Publié sur Amazon.com
Format:Format Kindle|Achat vérifié
This book is a good idea as a quick survey of new features in Java 7, but it is missing a crucial piece. I don't mind that the author did not cover all features in in the survey, but it would have been useful for me see a complete list of other enhancements that were included in Java 7. This way I would know if I was interested in finding more details on something else. I looked up the release notes on the Oracle web site and including an index below in case someone will find that information useful for reference as well. For example, I have to deal with the mixed environment which has Java and non-Java languages, and there are enhancements in that area that are potentially critical for my needs: the Garbage-First Collector and JVM support for non-Java languages. I would have liked to see all areas mentioned, even if there were no additional details.

The areas the author covers are easy to understand and give you just enough details to know if these features are going to be useful/relevant.

From Oracle release notes, the following areas have enhancements in Java 7:
* Swing
* IO and New IO
* Networking
* Security
* Concurrency Utilities
* Rich Internet Applications (RIA)/Deployment
o Requesting and Customizing Applet Decoration in Dragg able Applets
o Embedding JNLP File in Applet Tag
o Deploying without Codebase
o Handling Applet Initialization Status with Event Handlers
* Java 2D
* Java XML - JAXP, JAXB, and JAX-WS
* Internationalization
* java.lang Package
o Multithreaded Custom Class Loaders in Java SE 7
* Java Programming Language
o Binary Literals
o Strings in switch Statements
o The try-with-resources Statement
o Catching Multiple Exception Types and Rethrowing Exceptions with Improved Type Checking
o Underscores in Numeric Literals
o Type Inference for Generic Instance Creation
o Improved Compiler Warnings and Errors When Using Non-Reifiable Formal Parameters with Varargs Methods
* Java Virtual Machine (JVM)
o Java Virtual Machine Support for Non-Java Languages
o Garbage-First Collector
o Java HotSpot Virtual Machine Performance Enhancements

And here is the index from "What's new in Java 7" by Madbusudban Konda.

Language Enhancements
Diamond operator
Using Strings in switch statements
Automated resource management
Numeric Literals with underscores
Improved exception handling
New file system API (NIO 2.0)
Working with Path
File change notifications
Fork and Join
Supporting Dynamism

Ali Julia review
21 internautes sur 24 ont trouvé ce commentaire utile 
2.0 étoiles sur 5 Worth every penny charged for it. 27 octobre 2011
Par Frobisher - Publié sur Amazon.com
Format:Format Kindle|Achat vérifié
The author may very well be an experienced Java programmer. That being the case, the only justification for the typos in this very slight intro to Java 7 is that he just threw it together without paying much attention or running the code.

An obvious example is his brief explanation of the new Path class. He suggests that if one uses:
Path path = Paths.get("c:\\Temp\\temp");

will return "temp.txt" which just isn't the case, it will return "temp" regardless (on Windows anyway) of whether or not there is a file that starts with that name or a folder that has that name or if there is nothing for the lowest level at all.

I've given this thing two stars rather than 1 because it isn't completely useless: If you want a brief (took me 10 minutes to glance through it) idea of what's new in 7, it works. Just don't look for anyting but the concepts. Almost any of the online intros to 7 would be better.
11 internautes sur 15 ont trouvé ce commentaire utile 
1.0 étoiles sur 5 Too short. Don't know why this book is here 28 novembre 2011
Par Jorge Urdaneta - Publié sur Amazon.com
Format:Format Kindle|Achat vérifié
This book should be deleted from Amazon. What a shame. The book is not even complete as most of the online reviews of Java 7 you can find using google
2.0 étoiles sur 5 Survey of some of the features in Java 7 30 novembre 2011
Par David Witherspoon - Publié sur Amazon.com
Format:Format Kindle
What's New in Java 7 by Madhusudhan Konda provides a survey of some of the important updates and changes made in the Java 7 release. As the author states this is a survey and not a complete list of all updates and changes. The topics that are covered by the author are done well and provide great examples for the reader to follow. I hope that there might be additions made to this book that cover the other updates and changes that have been made in Java 7, for example Java SE 7 release now contains JAXP 1.4.5, some interesting changes have been made to security enhancements, important enhancement for multithreaded custom class loaders that were prone to deadlock has been fixed, and many others.

Again, I understand that the intent of this book is to provide a survey of some of the important updates and changes ( not all of them ) and the author has accomplished that well. I just think the author could have expanded the survey a bit more and covered even more to make this book a great book to buy. I really enjoyed reading the few topics that were covered and wished that there was more.

Therefore, if you are looking for information on the specific updates and improvements that the author covers, then this book would be good to get. Otherwise, I would just look at reading online the features and enhancements that are made to Java 7, which you can also follow their tutorials. To leave it on a more positive note, I want to reiterate that I feel that the author did a great job on the few topics that were covered in the survey.

If you get the book for free, then enjoy the read. Just don't assume that this is all the Java 7 has to offer.
1 internautes sur 1 ont trouvé ce commentaire utile 
1.0 étoiles sur 5 Don't waste your time with this 13 janvier 2013
Par ST2192 - Publié sur Amazon.com
Format:Format Kindle|Achat vérifié
This 'book' is an incomplete list of Java 7 features. I would recommend getting this information directly from the 'horses mouth' instead [...]
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