You are certainly free to include any number of other classes that your connector code requires, which you should package into the connector EJB accordingly.
可以自由地添加连接器代码需要的任意数量的类，这些类应该打包进连接器e JB中。
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A free and open source programming language that appeared in 1995, you can use PHP with databases via a connector to generate XHTML and HTML for rendering in a web browser.