Programming in Android (Kotlin) (1)

Test Your Kotlin Knowledge in Android

Welcome to the "Programming in Android (Kotlin)" quiz! This engaging quiz challenges your understanding of string manipulation and UI elements in Kotlin for Android development. Whether you are a newbie trying to grasp the basics or a seasoned developer refreshing your knowledge, this quiz is made for you!

What to expect:

15 well-crafted questions
Answers based on practical scenarios
Immediate feedback on your performance

17 Questions4 MinutesCreated by CodingNinja47

Where can I find design related code (frontend)?

Any .xml under /res/layout folder

MainActivity.kt

SecondActivity.kt

Activity_main.xml

Which of the following is a right way to initialize a string variable?

Var mojText:String

Vae mojText = "mojString!"

Var mojText = "mojString!"

Var str = ""

Which of the following is a right way to declare and initialize a constant string variable?

Val mojText = "mojString!"

Var mojText = "mojString!"

Val mojText = mojString!

Var mojText = mojString!

Which function retrieves an element with based on its ID?

FindViewByIdentification()

FindViewById()

FindViewByI()

FindElementByI()

How can we log a variable named myStr?

Log.d("myString", myStr)

Log.d("myStr", "myStr")

Log.d("myStr", myStr)

Log.log("myStr", "myStr")

Which of the following is a right way to declare and initialize a non-constant string variable?

Var mojText = "mojString!"

Val mojText = "mojString!"

Val mojText = "mojText!"

Var mojText + "mojString!"

How can I set a text (display text) to an element?

Element.setText(myText!)

Element.setText("myText!")

Element.setTxt("myText!")

Element.setText("")

Which of the following is a right way to declare a string variable?

Var mojText

Vae mojText = "mojString!"

Val mojText:String

Var mojText::Str

Where can I find base of a code of an application (backend)?

Basically any .kt file

MainActivity.kt

Only .xml files

Activity_main.xml

How can I generate a random number from an interval <20, 200> and convert it to a string?

(20..200).random().toString()

(20..200).random()

(10..200).random().toStr

(10..200).random().toString()

Programming in Android (Kotlin) (1)

Test Your Kotlin Knowledge in Android

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