Question Bank

1899 approved questions from the community

Which scope functions return the context object itself in Kotlin?

MEDIUM
MULTIPLE CHOICE
35s
Kotlin
by Mohamed

Which of the following are common higher-order functions in Kotlin's standard library?

MEDIUM
MULTIPLE CHOICE
40s
Kotlin
by Mohamed

Which modifiers can be applied to class members to control overriding in Kotlin?

MEDIUM
MULTIPLE CHOICE
40s
Kotlin
by Mohamed

What are the characteristics of a companion object in Kotlin?

MEDIUM
MULTIPLE CHOICE
40s
Kotlin
by Mohamed

Which methods are automatically generated by Kotlin when you declare a data class?

MEDIUM
MULTIPLE CHOICE
40s
Kotlin
by Mohamed

Arrow functions have an arguments object.

MEDIUM
TRUE FALSE
25s
Javascript
by Mohamed

What is a polyfill?

MEDIUM
SINGLE CHOICE
30s
Javascript
by Mohamed

What is transpilation?

MEDIUM
SINGLE CHOICE
30s
Javascript
by Mohamed

What is code splitting?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What is throttling?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What is the IndexedDB?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What does Array.prototype.find() return?

MEDIUM
SINGLE CHOICE
30s
Javascript
by Mohamed

What are getters and setters?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What is a static method in a class?

MEDIUM
SINGLE CHOICE
30s
Javascript
by Mohamed

What is the difference between class and function constructor?

MEDIUM
SINGLE CHOICE
40s
Javascript
by Mohamed

What is WeakMap?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What is a Set in JavaScript?

MEDIUM
SINGLE CHOICE
30s
Javascript
by Mohamed

What is the difference between Map and Object?

MEDIUM
SINGLE CHOICE
40s
Javascript
by Mohamed

What does the Symbol type represent?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed

What is a Generator function?

MEDIUM
SINGLE CHOICE
35s
Javascript
by Mohamed
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