如果你已经有了 Maven 的开发环境，那你可以跳过本节。 本书例子需要 JDK 和 Apache Maven,都可以免费下载到。 ### [](https://github.com/waylau/essential-netty-in-action/blob/master/GETTING%20STARTED/Setting%20up%20the%20development%20environment.md#1安装配置-jdk)1.安装配置 JDK 建议用 JDK 7+ ### [](https://github.com/waylau/essential-netty-in-action/blob/master/GETTING%20STARTED/Setting%20up%20the%20development%20environment.md#2下载-ide)2.下载 IDE JAVA 的 IDE 很多，主流的有 * Eclipse: [http://www.eclipse.org](http://www.eclipse.org/) * NetBeans: [http://www.netbeans.org](http://www.netbeans.org/) * Intellij Idea Community Edition: [http://www.jetbrains.com](http://www.jetbrains.com/) ### [](https://github.com/waylau/essential-netty-in-action/blob/master/GETTING%20STARTED/Setting%20up%20the%20development%20environment.md#3下载安装-maven)3.下载安装 Maven 可以参考：[http://www.waylau.com/apache-maven-3-1-0-installation-deployment-and-use/](http://www.waylau.com/apache-maven-3-1-0-installation-deployment-and-use/) ### [](https://github.com/waylau/essential-netty-in-action/blob/master/GETTING%20STARTED/Setting%20up%20the%20development%20environment.md#4配置工具)4.配置工具 确保系统环境变量有 JAVA_HOME 和 M2_HOME