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Java核心
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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Software Development
Unit Test, System Test, Red Test, Green Test
We tend to categorize different types of tests according to what they cover. Unit tests cover small portions of code,…
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Software Development
The Joel Test Updated For Programmers
A while back—the year 2000 to be exact—Joel Spolsky wrote a blog post entitled: “The Joel Test: 12 Steps to…
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Core Java
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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Enterprise Java
OSGi Service Test Helper: ServiceRegistrationRule
OSGi Service Tests can be an efficient means to avoid problems related to dangling service references. As promised in my…
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Enterprise Java
JPA Tutorial – The ULTIMATE Guide (PDF Download)
EDITORIAL NOTE: In this post, we feature a comprehensive JPA Tutorial. The Java Persistence API (JPA) is a Java programming…
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Core Java
How to detect and diagnose slow code in production
One of the more difficult tasks that a developer faces is finding and diagnosing slow running code in production. Firstly…
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Software Development
Continuous Integration, Delivery or Deployment with Jenkins, Docker and Ansible
This article tries to provide one possible way to set up the Continuous Integration, Delivery or Deployment pipeline. We’ll use…
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Software Development
Microservices Maturity: Dogma or Dogfooding? You Decide…
I’ve received some great feedback after posting my proposal for a microservice maturity/classification model last week, some positive, and some…
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