Free H14-231_V1.0 Exam Braindumps
HCIP-HarmonyOS Application Developer V1.0 Questions 36–40 (page: 9)

A developer defines an entity class Student.java and uses the following code to construct a teaching table:

Entity(tableName="student",ignoredColums =["ignoredColumn1"," ignoredColumn2", indices =(@Index(value =("firstName." ,"lastName",name="name_index", unique = true)))

Public class User extends OrmObject{

@PrimaryKey(autoGenerate= true)

Private Integer userld;

Private String firstName;

Private String lastName;

Private int age;

Private double balance;

Private int ignoredColumnl;

Private int ignoredColumn2;

}

Which of the following descriptions of this code is wrong?

Now a Text component is used as the title of a page, and Text needs to be set to be invisible, but it still occupies the current layout space, which of the following is correct?

The default size of shared memory in Harmony OS is ?

TaskDispatcher is the basic interface for Ability to distribute tasks, which hides the implementation details of the thread where the task is located. To ensure that the application is more responsive, we respond to the priority of the design task, which of the following is not the priority of the task?

In order to test the distributed file service functions of application A and application B, the developer installs application A and application B on both device 1 and device 2. During the test, application A on device 1 creates a distributed file X, and application B on device 2 creates a distributed file Y.
Which of the following descriptions of this scenario is wrong?