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What's New in Java 7 Versión Kindle

4 de un máximo de 5 estrellas 4 opiniones de clientes

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Descripción del producto

Descripción del producto

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.


Detalles del producto

  • Formato: Versión Kindle
  • Tamaño del archivo: 148 KB
  • Longitud de impresión: 19
  • Uso simultáneo de dispositivos: Sin límite
  • Editor: O'Reilly Media; Edición: 1 (20 de octubre de 2011)
  • Vendido por: Amazon Media EU S.à r.l.
  • Idioma: Inglés
  • ASIN: B005XSS8VC
  • Texto a voz: Activado
  • X-Ray:
  • Word Wise: No activado
  • Tipografía mejorada: No activado
  • Valoración media de los clientes: 4.0 de un máximo de 5 estrellas 4 opiniones de clientes
  • Clasificación en los más vendidos de Amazon: n°1.251 Gratis en Tienda Kindle (Ver el Top 100 Gratis en Tienda Kindle)
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Opiniones de clientes

4.0 de un máximo de 5 estrellas
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Principales opiniones de clientes

Formato: Versión Kindle Compra verificada
Supongo que esperaba algo más, no por el precio por supuesto, sino por ser una nueva versión de un lenguaje utilizado por muchísimas personas. Desconozco si el autor incluye todos los cambios importantes, pero el libro se lee en muy poco rato.
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Formato: Versión Kindle Compra verificada
Para ponerse al día es imprescindible para poder desarrollar las aplicaciones necesarias basadas en esta tecnología. Muy util para actualizarse.
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Formato: Versión Kindle Compra verificada
Resume los nuevos conceptos que introduce java 7. Es una manera de no leerse el libro de JAVA cada vez que sale una versión.
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Formato: Versión Kindle Compra verificada
Esta bien para novatos que faltan cosas basicas pero no esta nada mal... Que no esta hecho para los expertos
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Opiniones de clientes más útiles en Amazon.com (beta)

17 de 17 personas piensan que la opinión es útil
HASH(0x987a3480) de un máximo de 5 estrellas Would have been better if mentioned what is not covered in case it was of interest to the reader 7 de diciembre de 2011
Por Ali Julia - Publicado en Amazon.com
Formato: Versión Kindle Compra verificada
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
* JDBC

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 de 24 personas piensan que la opinión es útil
HASH(0x98edfa08) de un máximo de 5 estrellas Worth every penny charged for it. 27 de octubre de 2011
Por Frobisher - Publicado en Amazon.com
Formato: Versión Kindle Compra verificada
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");

that
path.getFileName()
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 de 15 personas piensan que la opinión es útil
HASH(0x9903ed8c) de un máximo de 5 estrellas Too short. Don't know why this book is here 28 de noviembre de 2011
Por Jorge Urdaneta - Publicado en Amazon.com
Formato: Versión Kindle Compra verificada
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
1 de 1 personas piensan que la opinión es útil
HASH(0x987a3ef4) de un máximo de 5 estrellas Java 7 has come - book with description of new features. 30 de julio de 2014
Por Tomaszek - Publicado en Amazon.com
Formato: Versión Kindle Compra verificada
This book depicts in proper way the Java 7 platform.
It is very clear , well done knowledge about Java API, and how to program with new possibilities of Java release.

I prefer the author conversion used in sample of code. This book has many concrete examples that simply demonstrates the
possibility of Java 7 platform.
HASH(0x98dd869c) de un máximo de 5 estrellas Survey of some of the features in Java 7 30 de noviembre de 2011
Por David Witherspoon - Publicado en Amazon.com
Formato: Versión 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.