PDT will also pop up a code completion window while you key class names.

当输入类名时，PDT也会弹出代码补全窗口。

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The key class contains the unique primary key implementation for the bean.

该键类包含bean的唯一主键实现。

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You can also create a primary key class for entities that have composite keys.

还可以为具有组合键的实体创建一个主键类。

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You can also create a primary key class for entities that have composite keys.

还可以为具有组合键的实体创建一个主键类。

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