Update Java8教程推荐.md

docs/java/What's New in JDK8/Java8教程推荐.md

 - **《Java8 In Action》:**  PDF版本链接：https://pan.baidu.com/s/1SRibgnCb8iercf4Cca2pFQ 
   提取码：g96r 。书中所有的代码在这里：<https://github.com/java8/Java8InAction>
-  复制这段内容后打开百度网盘手机App，操作更方便哦
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 - **【译】Java 8 简明教程**：<https://github.com/wizardforcel/modern-java-zh>
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 - **30 seconds of java8:**  <https://github.com/biezhi/30-seconds-of-java8>
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 - **《写给大忙人看的Java SE 8》:**  PDF版本 链接：<https://pan.baidu.com/s/1EOw3bn21KhDzFJdlBkeHpA >
   提取码：ay6r ; 京东购买链接：<https://item.jd.com/11583896.html>