Kotlin Programming MCQ for Competitive Exams, Interviews, and Certifications

A. A lambda is a Data Type in Kotlin

B. A lambda is a Class type in Kotlin

C. A lambda is an Interface in Kotlin

D. A lambda is an expression that describes a function. But instead of declaring a named function, you declare a function that has no name

A. To replace if-else statements

B. To perform pattern matching on an expression

C. To loop over a collection of elements

D. To perform arithmetic operations

A. To perform a null-safe call on an object

B. To apply a block of code to an object

C. To filter a collection of objects based on a condition

D. To map a collection of objects to a different type

A. To perform a null-safe call on an object

B. To apply a block of code to an object and return the object

C. To filter a collection of objects

D. To map a collection of objects to a different type

A. TRUE

B. FALSE

A. To assign a default value to a nullable variable if null

B. To assign a default value to a non-nullable variable if null

C. To concatenate two strings

D. To perform arithmetic operations

A. To declare a variable that can be null

B. To declare a variable that must be initialized before use

C. To declare a variable that is initialized lazily

D. To declare a variable that can be re-assigned

A. It is a functional programming language

B. It is an object-oriented programming language

C. It is a procedural programming language

D. It is a scripting language

A. Better performance

B. Better memory management

C. More concise syntax

D. Better support for multi-threading

A. False

B. True