Google pass4future google Developers Certification Associate-android-developer New Questions by Youssef q64 vce pdf

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Exam Name:	Google Developers Certification - Associate Android Developer (Kotlin and Java Exam)
Exam Code:	Associate-Android-Developer Dumps
Vendor:	Google	Certification:	Google Developers Certification
Questions:	128 Q&A's	Shared By:	youssef

Question 8

What is the incorrect statement about Data Access Object (androidx.room.Dao)?

Options:

Data Access Objects are the main classes where you define your database interactions. They can include a variety of query methods.

The class marked with @Dao should either be an interface or an abstract class. At compile time, Room will

generate an implementation of this class when it is referenced by a Database.

An abstract @Dao class can optionally have a constructor that takes a Database as its only parameter.

It is recommended to have only one Dao class in your codebase for all tables.

Discussion

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Question 9

For example, we have a BufferedReader reader, associated with the json file through

InputStreamReader. To get a file data we can do this:

Options:

var line: String? try {

while (reader.readLine().also { line = it } != null) { builder.append(line)

}

val json = JSONObject(builder.toString())

return json

} catch (exception: IOException) {

exception.printStackTrace()

} catch (exception: JSONException) {

exception.printStackTrace()

}

var line: JSONObject ? try {

while (reader.readJSONObject ().also { line = it } != null) {

builder.append(line)

}

val json = JSONObject(builder.toString())

return json

} catch (exception: IOException) {

exception.printStackTrace()

} catch (exception: JSONException) {

exception.printStackTrace()

}

var line: String? try {

while (reader.readLine().also { line = it } != null) { builder.append(line)

}

val json = JSONObject(builder.toString())

return json

} catch (exception: RuntimeException) {

exception.printStackTrace()

} catch (exception: ArrayIndexOutOfBoundsException) {

exception.printStackTrace()

}

Discussion

Question 10

The diagram below shows a basic form of the recommended architecture for apps that use Architecture Components. The architecture consists of a UI controller, a ViewModel that serves LiveData, a Repository, and a Room database. Drag modules to correct places.

Questions 10