Java 8 pitfall – Beware of Files.lines()

There’s a really nice new feature in Java8 which allows you to get a stream of Strings from a file…

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Using JDK 8 Streams to Convert Between Collections of Wrapped Objects and Collections of Wrapper Objects

I have found Decorators and Adapters to be useful from time to time as I have worked with Java-based applications.…

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Value-Based Classes

In Java 8 some classes got a small note in Javadoc stating they are value-based classes. This includes a link…

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Java 8特性指南 – 终极手册 (PDF下载)

编者按：距离Java 8的发布已经有段时间了，就目前看来它的确是一个非常重要的版本。我们之前已经在JavaCodeGeeks发布了一系列专题文章，如玩转Java 8-Lambda表达式和并发，Java 8日期/时间API入门：LocalDateTime 以及 JDK8时代的抽象类vs.接口。同时我们也从其它来源处引用了15个必读的Java 8教程。当然，我们也对它的一些短板进行了验证，如Java 8的暗面。为了读者们更好的阅读体验，现在是时候整合所有Java 8的主要特性于一处了。一起来享受它吧！ 目录 1. 简介 2. Java语言的新特性 2.1. Lambda表达式和函数式接口 2.2. 接口的默认方法和静态方法 2.3. 方法引用…

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Default methods and multiple inheritance

Recently Lukas JOOQ Eder posted and article about nested classes and their use. This is an interesting topic and his…

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Java8 Multi-threading ForkJoinPool: Dealing with exceptions

One of the main motivations behind the introduction of Java8 lambdas was the ability to be able to use multicores…

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Java 8 Optional is not just for replacing a null value

Overview In Java 8, you can return an Optional instead of return null; as you might do in Java 7.…

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Everything You Need To Know About Default Methods

So, default methods… yesterday’s news, right? Yes but after a year of use, a lot of facts accumulated and I…

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Reason for Slower Reading of Large Lines in JDK 7 and JDK 8

I earlier posted the blog post Reading Large Lines Slower in JDK 7 and JDK 8 and there were some…

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