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。
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。
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。
Next up in Listing 2 is the @IdClass annotation, which defines the composite key class reference.
清单2中的下一个注释是 @IdClass，它定义组合键类引用。
Version 2.0 of the EJB specification defines a primary key class as any class that is a legal value type in RMI-IIOP.
EJB规范的 2.0版将主键类定义成任何是 RMI-IIOP中合法值类型的类。
And we design real estate transaction subsystem from the use case view, logical view, dynamic view, key class diagrams, deployment view in detail.
并且针对房产交易登记子系统，对该子系统从用例视图、逻辑视图、动态视图、关键类图、部署视图等方面进行详细设计。
And we design real estate transaction subsystem from the use case view, logical view, dynamic view, key class diagrams, deployment view in detail.
并且针对房产交易登记子系统，对该子系统从用例视图、逻辑视图、动态视图、关键类图、部署视图等方面进行详细设计。
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