Kotlin Programming MCQ for Competitive Exams, Interviews, and Certifications

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Each section contains 100 MCQs on Kotlin Program .

What are Kotlin coroutines?

A) It's Kotlin's term for class methods B) These are functions which accept other functions as arguments or return them C) That's how the automatically generated methods hashCode() and equals() in data classes are called D) They provide asynchronous code without thread blocking

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is EditText a subclass of?

A) TextField B) LinearLayout C) TextView D) Button

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which of the following is a ViewGroup?

A) EditText B) LinearLayout C) TextView D) Button

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the fname known as in the following code:

fun myFunction(fname: String)

A) override B) range C) parameter D) inherit

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What kinds of programming types does Kotlin support?

A) OOPS B) Procedural Programming C) Both A & B D) None of the above

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What handles null exceptions in Kotlin?

A) Sealed classes B) Lambda functions C) The Kotlin extension D) Elvis operator

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

What is the default behavior of Kotlin classes?

A) All classes are public B) All classes are final C) All classes are sealed D) All of the above

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which are the basic data types in Kotlin?

A) Arrays and Booleans B) Characters C) Strings and Numbers D) All of these

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

The two types of constructors in Kotlin are

A) Primary and Secondary constructor B) First and the second constructor C) Constant and Parameterized constructor D) None of these

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

The functions in Kotlin can be divided into how many types?

A) 2 B) 3 C) 4 D) 5

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

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