diff --git a/sources/tech/20180420 How to start developing on Java in Fedora.md b/sources/tech/20180420 How to start developing on Java in Fedora.md deleted file mode 100644 index cc192c915c..0000000000 --- a/sources/tech/20180420 How to start developing on Java in Fedora.md +++ /dev/null @@ -1,124 +0,0 @@ -translating----geekpi - -How to start developing on Java in Fedora -====== - -![](https://fedoramagazine.org/wp-content/uploads/2018/04/java-getting-started-816x345.jpg) -Java is one of the most popular programming languages in the world. It is widely-used to develop IOT appliances, Android apps, web, and enterprise applications. This article will provide a quick guide to install and configure your workstation using [OpenJDK][1]. - -### Installing the compiler and tools - -Installing the compiler, or Java Development Kit (JDK), is easy to do in Fedora. At the time of this article, versions 8 and 9 are available. Simply open a terminal and enter: -``` -sudo dnf install java-1.8.0-openjdk-devel - -``` - -This will install the JDK for version 8. For version 9, enter: -``` -sudo dnf install java-9-openjdk-devel - -``` - -For the developer who requires additional tools and libraries such as Ant and Maven, the **Java Development** group is available. To install the suite, enter: -``` -sudo dnf group install "Java Development" - -``` - -To verify the compiler is installed, run: -``` -javac -version - -``` - -The output shows the compiler version and looks like this: -``` -javac 1.8.0_162 - -``` - -### Compiling applications - -You can use any basic text editor such as nano, vim, or gedit to write applications. This example provides a simple “Hello Fedora” program. - -Open your favorite text editor and enter the following: -``` -public class HelloFedora { - - -      public static void main (String[] args) { -              System.out.println("Hello Fedora!"); -      } -} - -``` - -Save the file as HelloFedora.java. In the terminal change to the directory containing the file and do: -``` -javac HelloFedora.java - -``` - -The compiler will complain if it runs into any syntax errors. Otherwise it will simply display the shell prompt beneath. - -You should now have a file called HelloFedora, which is the compiled program. Run it with the following command: -``` -java HelloFedora - -``` - -And the output will display: -``` -Hello Fedora! - -``` - -### Installing an Integrated Development Environment (IDE) - -Some programs may be more complex and an IDE can make things flow smoothly. There are quite a few IDEs available for Java programmers including: - -+ Geany, a basic IDE that loads quickly, and provides built-in templates -+ Anjuta -+ GNOME Builder, which has been covered in the article Builder – a new IDE specifically for GNOME app developers - -However, one of the most popular open-source IDE’s, mainly written in Java, is [Eclipse][2]. Eclipse is available in the official repositories. To install it, run this command: -``` -sudo dnf install eclipse-jdt - -``` - -When the installation is complete, a shortcut for Eclipse appears in the desktop menu. - -For more information on how to use Eclipse, consult the [User Guide][3] available on their website. - -### Browser plugin - -If you’re developing web applets and need a plugin for your browser, [IcedTea-Web][4] is available. Like OpenJDK, it is open source and easy to install in Fedora. Run this command: -``` -sudo dnf install icedtea-web - -``` - -As of Firefox 52, the web plugin no longer works. For details visit the Mozilla support site at [https://support.mozilla.org/en-US/kb/npapi-plugins?as=u&utm_source=inproduct][5]. - -Congratulations, your Java development environment is ready to use. - - --------------------------------------------------------------------------------- - -via: https://fedoramagazine.org/start-developing-java-fedora/ - -作者:[Shaun Assam][a] -选题:[lujun9972](https://github.com/lujun9972) -译者:[译者ID](https://github.com/译者ID) -校对:[校对者ID](https://github.com/校对者ID) - -本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出 - -[a]:https://fedoramagazine.org/author/sassam/ -[1]:http://openjdk.java.net/ -[2]:https://www.eclipse.org/ -[3]:http://help.eclipse.org/oxygen/nav/0 -[4]:https://icedtea.classpath.org/wiki/IcedTea-Web -[5]:https://support.mozilla.org/en-US/kb/npapi-plugins?as=u&utm_source=inproduct diff --git a/translated/tech/20180420 How to start developing on Java in Fedora.md b/translated/tech/20180420 How to start developing on Java in Fedora.md new file mode 100644 index 0000000000..b606a74a5d --- /dev/null +++ b/translated/tech/20180420 How to start developing on Java in Fedora.md @@ -0,0 +1,122 @@ +如何在 Fedora 上开始 Java 开发 +====== + +![](https://fedoramagazine.org/wp-content/uploads/2018/04/java-getting-started-816x345.jpg) +Java 是世界上最流行的编程语言之一。它广泛用于开发物联网设备、Android 程序,Web 和企业应用。本文将提供使用 [OpenJDK][1] 安装和配置工作站的指南。 + +### 安装编译器和工具 + +在 Fedora 中安装编译器或 Java Development Kit(JDK)很容易。在写这篇文章时,可以用 v8 和 v9。只需打开一个终端并输入: +``` +sudo dnf install java-1.8.0-openjdk-devel + +``` + +这安装 JDK v8。对于 v9,请输入: +``` +sudo dnf install java-9-openjdk-devel + +``` + +对于需要其他工具和库(如 Ant 和 Maven)的开发人员,可以使用 **Java Development** 组。要安装套件,请输入: +``` +sudo dnf group install "Java Development" + +``` + +要验证编译器是否已安装,请运行: +``` +javac -version + +``` + +输出显示编译器版本,如下所示: +``` +javac 1.8.0_162 + +``` + +### 编译程序 + +你可以使用任何基本的文本编辑器(如 nano、vim 或 gedit)编写程序。这个例子提供了一个简单的 “Hello Fedora” 程序。 + +打开你最喜欢的文本编辑器并输入以下内容: +``` +public class HelloFedora { + + +      public static void main (String[] args) { +              System.out.println("Hello Fedora!"); +      } +} + +``` + +将文件保存为 HelloFedora.java。在终端切换到包含该文件的目录并执行以下操作: +``` +javac HelloFedora.java + +``` + +如果编译器遇到任何语法错误,它会发出错误。否则,它只会在下面显示 shell 提示符。 + +你现在应该有一个名为 HelloFedora 的文件,它是编译好的程序。使用以下命令运行它: +``` +java HelloFedora + +``` + +输出将显示: +``` +Hello Fedora! + +``` + +### 安装集成开发环境(IDE) + +有些程序可能更复杂,IDE 可以帮助顺利进行。Java 程序员有很多可用的 IDE,其中包括: + ++ Geany,一个加载快速的基本 IDE,并提供内置模板 ++ Anjuta ++ GNOME Builder,已经在 Builder 的文章中介绍过 - 这是一个专门面向 GNOME 程序开发人员的新 IDE + +然而,主要用 Java 编写的最流行的开源 IDE 之一是 [Eclipse][2]。 Eclipse 在官方仓库中有。要安装它,请运行以下命令: +``` +sudo dnf install eclipse-jdt + +``` + +安装完成后,Eclipse 的快捷方式会出现在桌面菜单中。 + +有关如何使用 Eclipse 的更多信息,请参阅其网站上的[用户指南][3]。 + +### 浏览器插件 + +如果你正在开发 Web 小程序并需要一个用于浏览器的插件,则可以使用 [IcedTea-Web][4]。像 OpenJDK 一样,它是开源的并易于在 Fedora 中安装。运行这个命令: +``` +sudo dnf install icedtea-web + +``` + +从 Firefox 52 开始,Web 插件不再有效。有关详细信息,请访问 Mozilla 支持网站 [https://support.mozilla.org/en-US/kb/npapi-plugins?as=u&utm_source=inproduct][5]。 + +恭喜,你的 Java 开发环境已准备完毕。 + + +-------------------------------------------------------------------------------- + +via: https://fedoramagazine.org/start-developing-java-fedora/ + +作者:[Shaun Assam][a] +选题:[lujun9972](https://github.com/lujun9972) +译者:[geekpi](https://github.com/geekpi) +校对:[校对者ID](https://github.com/校对者ID) + +本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出 + +[a]:https://fedoramagazine.org/author/sassam/ +[1]:http://openjdk.java.net/ +[2]:https://www.eclipse.org/ +[3]:http://help.eclipse.org/oxygen/nav/0 +[4]:https://icedtea.classpath.org/wiki/IcedTea-Web +[5]:https://support.mozilla.org/en-US/kb/npapi-plugins?as=u&utm_source=inproduct