Question Bank

1899 approved questions from the community

Which of the following can help avoid callback hell? (Select all that apply)

MEDIUM
MULTIPLE CHOICE
40s
Nodejs
by Mohamed

Which timing functions are available in Node.js? (Select all that apply)

MEDIUM
MULTIPLE CHOICE
35s
Nodejs
by Mohamed

Which are valid HTTP methods commonly used in RESTful APIs? (Select all that apply)

MEDIUM
MULTIPLE CHOICE
35s
Nodejs
by Mohamed

Which of the following are popular Node.js packages? (Select all that apply)

MEDIUM
MULTIPLE CHOICE
40s
Nodejs
by Mohamed

What are benefits of microservices architecture? (Select all that apply)

MEDIUM
MULTIPLE CHOICE
45s
Nodejs
by Mohamed

Interfaces in Kotlin can have default method implementations.

MEDIUM
TRUE FALSE
25s
Kotlin
by Mohamed

What keyword is required to make a class inheritable in Kotlin?

MEDIUM
SINGLE CHOICE
25s
Kotlin
by Mohamed

What is the difference between abstract classes and interfaces in Kotlin?

MEDIUM
SINGLE CHOICE
35s
Kotlin
by Mohamed

What does the 'it' keyword represent in Kotlin lambda expressions?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

What is a higher-order function in Kotlin?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

What is the difference between 'apply' and 'also' scope functions in Kotlin?

MEDIUM
SINGLE CHOICE
35s
Kotlin
by Mohamed

What function is used to iterate in reverse order in Kotlin?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

What does the 'step' function do in Kotlin ranges?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

What is the difference between 'map' and 'flatMap' in Kotlin?

MEDIUM
SINGLE CHOICE
35s
Kotlin
by Mohamed

What does the 'filter' function do in Kotlin collections?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

What is the purpose of the 'to' function in Kotlin?

MEDIUM
SINGLE CHOICE
30s
Kotlin
by Mohamed

What is destructuring declaration in Kotlin?

MEDIUM
SINGLE CHOICE
35s
Kotlin
by Mohamed

What is the difference between 'object' and 'class' in Kotlin?

MEDIUM
SINGLE CHOICE
35s
Kotlin
by Mohamed

What is an anonymous object in Kotlin?

MEDIUM
SINGLE CHOICE
35s
Kotlin
by Mohamed

What is the negated form of the 'is' operator in Kotlin?

MEDIUM
SINGLE CHOICE
25s
Kotlin
by Mohamed
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