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122 lines
5.1 KiB
122 lines
5.1 KiB
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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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<h1 class="post-title">Modern Java in Action - Raoul-Gabriel Urma</h1> |
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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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<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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