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123 lines
5.1 KiB
123 lines
5.1 KiB
11 months ago
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<!DOCTYPE html>
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<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1, viewport-fit=cover">
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<title>Julio Biason .Me 4.3</title>
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<link rel="stylesheet" href="https://blog.juliobiason.me/print.css" media="print">
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<link rel="stylesheet" href="https://blog.juliobiason.me/poole.css">
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<link rel="stylesheet" href="https://blog.juliobiason.me/hyde.css">
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<body class=" ">
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<div class="container sidebar-sticky">
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<div class="sidebar-about">
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<a href="https://blog.juliobiason.me"><h1>Julio Biason .Me 4.3</h1></a>
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<p class="lead">Old school dev living in a 2.0 dev world</p>
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</div>
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<ul class="sidebar-nav">
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<li class="sidebar-nav-item"><a href="/">English</a></li>
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<li class="sidebar-nav-item"><a href="/pt">Português</a></li>
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<li class="sidebar-nav-item"><a href="/tags">Tags (EN)</a></li>
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<li class="sidebar-nav-item"><a href="/pt/tags">Tags (PT)</a></li>
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<div class="content container">
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<div class="post">
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<h1 class="post-title">Modern Java in Action - Raoul-Gabriel Urma</h1>
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<span class="post-date">
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2019-02-08
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<a href="https://blog.juliobiason.me/tags/books/">#books</a>
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<a href="https://blog.juliobiason.me/tags/reviews/">#reviews</a>
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<a href="https://blog.juliobiason.me/tags/java/">#java</a>
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<a href="https://blog.juliobiason.me/tags/java-8/">#java 8</a>
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<a href="https://blog.juliobiason.me/tags/java-9/">#java 9</a>
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<a href="https://blog.juliobiason.me/tags/raoul-gabriel-urma/">#raoul-gabriel urma</a>
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<a href="https://blog.juliobiason.me/tags/it/">#it</a>
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<a href="https://blog.juliobiason.me/tags/stars-2/">#stars:2</a>
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<a href="https://blog.juliobiason.me/tags/published-2014/">#published:2014</a>
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</span>
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<p><a href="https://www.goodreads.com/book/show/46213396-modern-java-in-action">GoodReads Summary</a>:
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Java 8 Lambdas in Action is a clearly-written guide to Java 8 lambdas and
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functional programming in Java. It begins with a practical introduction to the
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structure and benefits of lambda expressions in real-world Java code. The book
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then introduces the Stream API and shows how it can make collections-related
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code radically easier to understand and maintain. Along the way, you'll
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discover new FP-oriented design patterns with Java 8 for code reuse, code
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readability, exception handling, data manipulation, and concurrency. For
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developers also exploring other functional languages on the JVM, the book
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concludes with a quick survey of useful functional features in Scala and
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Clojure.</p>
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<span id="continue-reading"></span><div>
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★★☆☆☆
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</div>
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<p>To be short: It's a good book, but it is extremely (and unnecessary) verbose.</p>
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<p>It covers the new stuff on Java 8 (like streams and lambdas) and some of Java 9
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(like the Flow/reactive interface). It does a good job on Streams and Lambdas,
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but seems to fall a bit short on the reactive interface, maybe 'cause it's just
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an interface, although I found the examples a little bit missing in some
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points, like showing the Three interfaces, Subscriber, Subscription and
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Publisher, but showing examples without the Publisher. A bit worse (IMHO), is
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that, in order to produce an example, instead of publishing some data, it shows
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a generic publisher of sequential numbers, in which it calls the real
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publisher.</p>
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<p>Also, the authors seem a bit too enthusiastic about lambdas. Even when the code
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becomes less readable -- specially in the Flow examples -- they still use
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lambdas. They are so into it that the example of a <code>for</code> being converted to a
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stream is shown at least 4 times.</p>
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<p>There are too many "as follows"; there are too many "in the next section" just
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before the next section; there is too much repetition that shouldn't be there.</p>
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<p>Again, the content is good, but the text is terrible.</p>
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</html>
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