Infosys Certified Kotlin Android Developer
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Join Premium10 Infosys Certified Kotlin Android Developer practice questions with answers
Real Lex exam-pattern multiple-choice questions for the Infosys Certified Kotlin Android Developer certification. Each question includes the correct answer. The full question bank is available to Premium members.
- Question 1
Which of the below cannot be used as an expression?
- ✓if-elseCorrect
- Bwhen
- Cfunctions
- Dfor loop
- Question 2
Which symbol is used in string interpolation?
- ✓# (Hash)Correct
- B$ (Dollar)
- C/ (forward slash)
- D\ (back slash)
- Question 3
______is a characteristic of a programming language in which variable types are declared and determined at compile time
- ✓dynamically typedCorrect
- Bstatically typed
- Cinteroperability
- Dboiler-plate code
- Question 4
Which of the below is a range operator in kotlin?
- ✓. (dot operator)Correct
- B.. (double dot operator)
- C... (triple dot operator)
- D&&
- Question 5
What is the return type of a function that does not return any value?
- ✓VoidCorrect
- BUnit
- CAny
- DAs
- Question 6
When declaring the variables ___________ are added at the end of the datatype to make that variables as Nullable type
- ✓:Correct
- B::
- C.null
- D?
- Question 7
State True or False "Arrays are fixed length and immutable".
- ✓TrueCorrect
- BFalse
- Question 8
Which of the below keyword is used to declare an immutable or read-only variable in Kotlin?
- ✓varCorrect
- Bval
- Cconst
- Dfinal
- Question 9
Predict the output for the below code:-
fun main(args:Array<String>):Unit=println("HelloWorld")- ✓Prints nothingCorrect
- BHelloWorld
- CCompilation error
- DRun-time Exception
- Question 10
Predict the output for the below code:-
fun main(args:Array<String>){ val name:String="Infosys" name=null println(name) }- ✓Compilation Error - "Val cannot be reassigned"Correct
- BPrints "Infosys"
- CCompilation Error - "Null can not be a value of a non-null type String"
- DCompilation Errors - Val cannot be reassigned" and "Null can not be a value of a non-null type String"
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