目录魔术方法原理示例魔术方法解析__exit__ 处理异常的示例总结在 python 中，with 语句用于简化资源管理，编程客栈它保证在执编程客栈行完代码块后正确地释放资源，比如文件、网络连接等。这是通过特定的
I\'m looking for a code coverage tool that I can use with a BlackBerry application. I\'m using J2ME-Unit for Unit Testing and I want to see how much of my code is being covered by my tests.
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