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Head First Java 2e [Anglais] [Broché]

Kathy Sierra , Bert Bates
4.0 étoiles sur 5  Voir tous les commentaires (4 commentaires client)

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Détails sur le produit

  • Broché: 720 pages
  • Editeur : O'Reilly; Édition : 2nd Revised edition (18 février 2005)
  • Collection : CLASSIQUE US
  • Langue : Anglais
  • ISBN-10: 0596009208
  • ISBN-13: 978-0596009205
  • Dimensions du produit: 23,6 x 20,3 x 3,8 cm
  • Moyenne des commentaires client : 4.0 étoiles sur 5  Voir tous les commentaires (4 commentaires client)
  • Classement des meilleures ventes d'Amazon: 68.674 en Livres anglais et étrangers (Voir les 100 premiers en Livres anglais et étrangers)
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Dans ce livre (En savoir plus)
Parcourir les pages échantillon
Couverture | Copyright | Table des matières | Extrait | Index | Quatrième de couverture
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Commentaires en ligne 

4.0 étoiles sur 5
4.0 étoiles sur 5
Commentaires client les plus utiles
5.0 étoiles sur 5 Exellent ! 10 janvier 2014
Format:Broché|Achat vérifié
Je recommande ce livre car il est très agréable à lire et parfois les commentaires et les illustrations permettent de décompresser un peu !
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Par Kevin
Format:Broché
Ce livre est adapté à la fois pour un débutant qui y trouvera tout son bonheur en parcourant les bases et pouvant progresser très vite avec de nombreux exercices et illustrations. Par ailleurs, celui qui connait déjà le langage Java, sera amusé de voir la finesse du code et tous les points techniques traités avec finesse.
Pour moi, cela a été un livre parfait pour revoir l'ensemble de mes connaissances et également les pousser au delà de mes attentes. Je recommande vivement ce livre !
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3.0 étoiles sur 5 Il faut aimer, et être motivé ! 15 mars 2011
Par Vincent
Format:Broché|Achat vérifié
Sachant les cours de java à la fac assez peu complet, je me suis décidé à l'époque à investir dans ce livre.
Honnêtement, j'ai trouvé cela plutôt bien expliqué et assez massif pour pouvoir réellement progresser.

Par contre deux choses me gênent : parfois on fait pas mal de codage sans explications, sans comprendre ce que l'on fait.. et juste recopier le livre ou faire des exos parce que c'est logique me perturbe un peu...
Et deuxième chose, à ce prix là, franchement, mettre de la couleur aurait rendu ce livre réellement plus vivant.
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4.0 étoiles sur 5 Amusant à lire 5 janvier 2010
Par J & B
Format:Broché|Achat vérifié
Ce livre est probablement le moyen le moins rébarbatif pour apprendre java. Même s'il est complet et explique toutes les grandes notions de manière complète, il vaut peut-être tout de même mieux avoir au préalable quelques bases en développement orienté objet.
En résumé, ce n'est pas la Bible de l'expert Java mais vous pouvez l'acheter les yeux fermés si vous désirez débuter. Je pense que c'est ce qu'il se fait de mieux, point de vue pédagogique.
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Commentaires client les plus utiles sur Amazon.com (beta)
Amazon.com: 4.2 étoiles sur 5  413 commentaires
46 internautes sur 49 ont trouvé ce commentaire utile 
5.0 étoiles sur 5 Excellent fast-track way to learn Java 6 octobre 2005
Par David J. Graper - Publié sur Amazon.com
Format:Broché
I've been a professional programmer for years and I had to learn Java fast to stay in my current engagement. The "Learn-Java-In-24-Hours" style books had appealing titles but instead I decided to try this weird, truly different approach to learning because O'Reilly published it. (I have been familiar with O'Reilly for years and always recognized them as a top-flight publisher, although their books often had a formal, college-textbookish tone that made them better reference books than read-thru books.) I was put off by the graphics-intensive comic book style when I paged through the sample on-line at Amazon but decided to give it a try.

I think they're really on to something here. I can only speak for myself, as someone who already has a background in programming, but I believe the book actually works. Over a couple weeks I read the book, did the little puzzles and exercises which the authors were so insistent that I do, and was really surprised at the depth of knowledge I came out with at the other end.

Sitting in a developer's meeting yesterday I was really surprised that, while I clearly didn't have the years of experience the other coders had, I had no problem keeping up and was even able to contribute. I'm now moving in to the new assignment fairly well and am confident that I'll be able to pick up the details of this language now that I've got such a good grounding from this book.

I've now ordered the companion O'Reilly volumes on Enterprise JavaBeans and Design Patterns and am curious to see if they can maintain the same level of quality. Those skills would really seem to set a programmer apart, a critical consideration in a world where the competition is getting better (and unfortunately cheaper) every day.
290 internautes sur 340 ont trouvé ce commentaire utile 
2.0 étoiles sur 5 To much funny, not enough fact 25 mars 2006
Par Publius - Publié sur Amazon.com
Format:Broché|Achat vérifié
I really wanted to like this book. I bought the Head First book on design patterns and love it. It was the right mix of irreverance and information. So, I bought this book even though I have been a Java developer for over 5 years. I was excited to see how the Head First authors handled a beginners book for Java.

Not too well, in my opinion. Chapter Three, in particular, was a mess. This chapter introduces the notion of variables yet never explains what an integer variable is. No explanation is given of the float type. We are told that a byte holds 8 bits...but not told what a bit is. We are not told how to assign a hexadecimal value to an int. We are not told that if we assign a numeric value with a leading zero...the compiler will assume that you meant to use octal values. The reader is not told that Strings are immutable. These are all things that will trip up a beginner (the target market for this book). The author of this chapter doesn't even bother to mention that a Java array uses a zero-based index.

Both primitives and the notion of classes are introduced in Chapter Three. Yet, the author doesn't mention that all primitives (except boolean) have wrapper classes. Strings are introduced...but, no mention is made of the StringBuffer or StringBuilder (very useful and often used classes). These items are included in the back of the book in Appendix B.

There are so many things left out that I wonder if the publisher actually had any beginners read this book. Readers of this book will finish this book still ignorant of many Java essentials.

Here is one of their dumbed-down explanations for an object reference:

"Think of a Dog reference variable as a Dog remote control. You use it to get the object to do something (invoke methods). An object reference is just another variable value. Something that goes in a cup. Only, this time, the value is a remote control."

Huh? Granted, they had been using the "cup" metaphor before...but, still I found this book confusing, superficial, and somewhat insulting. It felt like reading a children's Weekly Reader book. (It even has crossword puzzles)

I like the idea of making learning fun. However, in their attempt to make it fun they left out so much info which is pertinent to the beginning Java programmer. Apparently, another rule of the Head First series is that there MUST be a cute picture on every page. Many times, the logical flow of text is hindered because they had to fit a non-illuminating, unnecessary graphic on the page. Many of the pictures are unnecessary and do not help to explain the content at all. Many paragraphs are confusing, unclear, or simply badly structured. The editors were asleep on this one.

Many newbies are giving this book high marks. Unfortunately, they are woefully ignorant of the fact that this book left out a ton of info that is pertinent to actually coding Java well. One poster here raves that he was able to cover 60 pages in one day. In my opinion...ease of reading is not the only criteria for a good programming book.

My recommendations for Java beginners: Beginning Java by Ivor Horton or Core Java by Cay Horstmann.
21 internautes sur 21 ont trouvé ce commentaire utile 
5.0 étoiles sur 5 Deceptively deep discussions 15 février 2011
Par Richard Barton - Publié sur Amazon.com
Format:Broché
I started learning Java a few years ago, having had previous experience with C++, PL/SQL, ActionScript (Flash) and even assembly language. For some reason, even with books by Paul and Harvey Deitel, I found that I was not sure of what I was doing in Java. I could read the code and tell what a program was doing, but was having a hard time creating the new objects, interfaces and methods I needed for my project.

My wife bought this book for me and I didn't have the heart to tell her that a "silly" book on Java would not help me get where I wanted to go. How wrong I was!

The authors make it seem like they are very casual, even irreverent, about the subject. However, they actual do imbed the concepts into your mind with silly poems (roses are read, this poem is choppy, java is always pass by copy - or something similar) and crazy "debates" between objects and concepts. The light finally came on about what objects living on the heap was all about and that declaring an object variable is really declaring a reference to an object. Wow! so that's why you need an object.equals(object) method instead of just using object==object. The other books pointed that out, this book MADE the point in the brain.

I could provide lots more examples of how apparently silly games make the concepts live in your brain instead of just on the paper, but you really should experience it for yourself. I fully intend to investigate the other Head First books that are relevant to my work.
43 internautes sur 48 ont trouvé ce commentaire utile 
5.0 étoiles sur 5 Really Good Book, But I Agree With Another Reviewer: Not For Beginners 30 juillet 2005
Par Larry - Publié sur Amazon.com
Format:Broché
I like writing reviews on technical books because I think they are of enormous value to those considering buying the book. I buy a lot of books online and the reviews that I read are by far the most important thing that influences my decision to buy. Or not.

I also like to read what others before me have written. In this case - and for all of the "Head First" books I have read - I heartily agree with what virtually all others have written: these books are a great way to learn complicated, and oftentimes boring, subject material.

So I won't rehash what others have already written, except to say that if what you read was good - believe it.

I think the most important thing I can say about this book is that I agree with what Hye Nyoun Eum Kim wrote: NOT for beginners. I remember thinking to myself throughout the book that a fair, or at least some, amount of Java knowledge would be necessary in order to understand what the authors were covering.

If you already know Java and want to know it better, buy this book. If you are new to Java, and especially if you are new to programming, I still recommend buying this book. But do yourself a favor - check out other introductory Java books and buy one of those as well. A good starting point? I have bought the "Just Java" (by Peter van der Linden) books ever since Java 1.0 came out.
9 internautes sur 9 ont trouvé ce commentaire utile 
5.0 étoiles sur 5 A good way to teach yourself Java 15 avril 2007
Par calvinnme - Publié sur Amazon.com
Format:Broché
If you are not already familiar with the "Head First" series of books, they are technical books on various subjects that feature an unconventional method of learning. They usually include crossword puzzles, Q&A sessions, fake conversations between different pieces of code, and even cartoons so that the subject matter will stand out in the reader's mind versus the format of a standard textbook. If you like the more conventional approach, you might be advised to stick with the old standard tutorial on Java, "Core Java" by Cornell.

The book starts out talking about the history of Java, the various versions of Java, and what is different about each one. It then goes on to explain the very basics of writing a Java application and then illustrates with the book's first so-called "serious business application" - a Java version of the song "90 bottles of beer". Of course, as is typical in the head-first series, the book codes the application up somewhat incorrectly in its first attempt and asks you to find the problem. The second chapter is an introduction to objects, their value, and how they are implemented in Java. From that point forward, for the next eight chapters or so, you are not seeing content much different from what you would see in any thorough book on the Java programming language - just a difference in presentation.

Starting in chapter 11, the book takes a series of subjects that can get involved and, as a result, often lose the reader, and makes it interesting by building a Music Machine - specifically a BeatBox Drum Machine. By building this application piece by piece the reader learns about exception handling, Java GUIs, Java Swing, and the interaction involved in all three subjects. The final chapters in the book deal with object serialization, networking and threads, data collections and generics, and releasing your code through packages and jar files. When it is applicable the BeatBox Drum Machine is toyed with to expand its capabilities and demonstrate the new concepts, but the author also shows some simpler applications to get the point across too. There hasn't been a really good book on Java distributed computing written in about ten years, and the next chapter goes over the basics of the subject for beginners. It does a good job of explaining the purpose and use of RMI, servlets, Enterprise JavaBeans, and even some Jini at a basic level.

This is a good book for someone who is just starting to learn Java, and is very suitable for self-study. However, although most people really love the head-first series, there are a very few people that just hate this approach. Thus you might want to glance at any book in the head-first series and see if this style of learning appeals to you before purchasing this particular book.
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