Eclipse 是一个开放源代码的、基于Java的可扩展开发平台。就其本身而言，它只是一个框架和一组服务，用于通过插件组件构建开发环境。幸运的是，Eclipse 附带了一个标准的插件集，包括Java开发工具（Java Development Kit，JDK）。 -Eclipse is an open source, Java-based extensible development platform. For its part, it is only a framework and a set of services for the plug-in components to build the development environment. Fortunately, the Eclipse comes with a standard set of plug-ins, including the Java Development Kit (Java Development Kit, the JDK).