GWT provides Listener interfaces for mouse events, keyboard events, change events, and so forth, as well as several adapter and helper classes for added convenience.
GWT为鼠标事件、键盘事件、修改事件等提供了Listener接口，还提供了几个适配器和助手类，以获得更多方便。
SimpleJPA's extensive listener interfaces also make it possible to implement logical data integrity rules, which you've probably come to expect from the relational world.
SimpleJPA扩展的监听接口也使它能够实现逻辑数据统一规则，这是您在关系数据库所希望使用的。
Message listener port support in WebSphere Application Server makes use of the application server facilities interfaces defined in the JMS specification, but is not part of any specification itself.
WebSphere Application Server 中的消息侦听器端口支持使用在 JMS 规范中定义的应用服务器设备接口，但它本身不是任何规范的一部分。
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