H14-231_V1.0 Exam Dumps : HCIP-HarmonyOS Application Developer V1.0

A developer is using CommonEventData to encapsulate information about ordered public events for data processing when publishing, distributing, and receiving. What do I need to pay attention to when developing?

When using EventHandler to implement inter-thread communication, if EventRunner takes out the Runnable task, it will trigger the callback method of EventHandler and the processing method of EventHandler.

An engineer wrote the following code, which items are correct in the description of the following code?

@Entity(tableName="user",ignoredColumns={"ignoredColumn1","ignoredColumn2"},indices ={@Index(value ={"firstName","lastName"),name="name_index",unique =true)})