Kotlin Program — Part 1 MCQs with Explanations

A statically-typed programming language for the JVM, Android, and browser. is the correct answer to “What is Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

JetBrains is the correct answer to “Who developed Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

2.0 is the correct answer to “Under which license Kotlin was developed”. This question is standard in competitive examination syllabi for Kotlin Program.

JavaScript is the correct answer to “Which platform does Kotlin primarily target”. This question is standard in competitive examination syllabi for Kotlin Program.

Yes, Kotlin is really better is the correct answer to “Kotlin is really better than Java”. This question is standard in competitive examination syllabi for Kotlin Program.

.kt or .kts is the correct answer to “Which file extension is used to save Kotlin files”. This question is standard in competitive examination syllabi for Kotlin Program.

Apache 2 is the correct answer to “Under which license is Kotlin available”. This question is standard in competitive examination syllabi for Kotlin Program.

final is the correct answer to “All classes in Kotlin are by default”. This question is standard in competitive examination syllabi for Kotlin Program.

FALSE is the correct answer to “Kotlin only works to support Java Language.”. This question is standard in competitive examination syllabi for Kotlin Program.

Lists is the correct answer to “Which of the following is not the basic data type in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

They provide asynchronous code without thread blocking is the correct answer to “What are Kotlin coroutines”. This question is standard in competitive examination syllabi for Kotlin Program.

TextView is the correct answer to “What is EditText a subclass of”. This question is standard in competitive examination syllabi for Kotlin Program.

LinearLayout is the correct answer to “Which of the following is a ViewGroup”. This question is standard in competitive examination syllabi for Kotlin Program.

parameter is the correct answer to “What is the fname known as in the following code: fun myFunction(fname: String)”. This question is standard in competitive examination syllabi for Kotlin Program.

Both A & B is the correct answer to “What kinds of programming types does Kotlin support”. This question is standard in competitive examination syllabi for Kotlin Program.

Elvis operator is the correct answer to “What handles null exceptions in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

All classes are final is the correct answer to “What is the default behavior of Kotlin classes”. This question is standard in competitive examination syllabi for Kotlin Program.

All of these is the correct answer to “Which are the basic data types in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

Primary and Secondary constructor is the correct answer to “The two types of constructors in Kotlin are”. This question is standard in competitive examination syllabi for Kotlin Program.

2 is the correct answer to “The functions in Kotlin can be divided into how many types”. This question is standard in competitive examination syllabi for Kotlin Program.

A class that is used to define a closed set of subclasses is the correct answer to “What is a sealed class in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

It represents restricted class hierarchies is the correct answer to “What defines a sealed class in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

A class that is used to represent data structures is the correct answer to “What is a data class in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

A function that is passed as an argument to another function is the correct answer to “What is a lambda in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

functionName() is the correct answer to “How do you call a function in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

An operator used to check for null values is the correct answer to “What is the Elvis operator in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

None of these is the correct answer to “Which version of Android Studio has the Kotlin plugin bundled in”. This question is standard in competitive examination syllabi for Kotlin Program.

Kotlin can quickly call the Java code and vice versa. is the correct answer to “What about Java Interoperability”. This question is standard in competitive examination syllabi for Kotlin Program.

A class that is defined within another class is the correct answer to “What is a nested class in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

It runs a block of code and returns the object it was called on is the correct answer to “What does the also function do in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

// This is a comment is the correct answer to “How do you create a single-line comment in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

Automatic conversion from/to JSON is the correct answer to “What does a data class not offer”. This question is standard in competitive examination syllabi for Kotlin Program.

val name: String? = null is the correct answer to “What is the correct way to initialize a nullable variable”. This question is standard in competitive examination syllabi for Kotlin Program.

An object that is used to define static members of a class is the correct answer to “What is a companion object in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

public is the correct answer to “In Kotlin, default modifier is”. This question is standard in competitive examination syllabi for Kotlin Program.

implicit constructor is the correct answer to “What is the default constructor in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

No is the correct answer to “Does Kotlin use the "static" keyword”. This question is standard in competitive examination syllabi for Kotlin Program.

A variable that cannot change, read-only is the correct answer to “What is an immutable variable”. This question is standard in competitive examination syllabi for Kotlin Program.

Varargs are the parameters that enable the number of arguments sent to the function. is the correct answer to “What are varargs in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.

FALSE is the correct answer to “Are semicolons (;) mandatory at the end of code statements in Kotlin”. This question is standard in competitive examination syllabi for Kotlin Program.