The last recipe item in the list, shown in Listing 5, contains an additional HTML class: online-required.

列表中的最后一个食谱项目，如清单5所示，包含一个额外的html类：online - required。

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Given an object being tested (such as item in Listing 5) and a target class (Integer) being cast to, the class loader checks the following rules.

当检查对象(例如清单5中的item)并把类型转换成目标类(Integer)时，类装入器会检查以下规则。

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The Item class is shown in Listing 3.

Ite m类如清单3所示。

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First, we will add a stub method to the Item class, as shown in Listing 4-8.

首先，我们将对物品类添加一个占位方法，如清单4 - 8所示。

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First, we will add a stub method to the Item class, as shown in Listing 4-8.

首先，我们将对物品类添加一个占位方法，如清单4 - 8所示。

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