学习更加有效率的攀爬需要有意识的努力锻炼，找个伙伴相互竞赛吧。

Learning to climb more efficiently requires a conscious effort, so get a partner and make a game out of it.

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它产生出所有需要有效地学习，安装，操作，使用和维护产品的工件。

It produces any artifact needed to effectively learn, install, operate, use, and maintain the product.

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为继续学习和试验本教程中的代码，您需要有效安装 Sun's JDK 1.5.0_09 （或其后的版本）或 IBM JDK 1.5.0 SR3。

To follow along and try out the code for this tutorial, you need a working installation of Sun's JDK 1.5.0_09 (or later) or the IBM JDK 1.5.0

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