As you can see with this example, the line between analysis and design is fuzzy with object-oriented development and experienced developers new to object orientation can take time to get used to this.
正如您在这个示例中所见，在面向对象开发中，分析和设计的界限是模糊的，那些不熟悉面向对象的有经验开发人员可能会花一些时间才能习惯这点。
I do list the example files in each panel, so you can easily locate and experiment with the examples as you take this tutorial.
每节中我都仔细地列出了示例文件以及它们之间的关系，只要按照本教程的说明，很容易找到与实验对应的例子。
Take, for example, this little boy named Zach, who is beyond happy to cut up his favorite fabric to send as rags to the ongoing cleanup effort.
有个例子，一个叫扎克的小男孩，很快乐的他将自己喜爱的衣服剪成碎布，去支持那些持续的清污工作。
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