Which of the following is a feature of complex data types?

In JavaScript, how do you define an array?

A). let arr = 'value1, value2'

B). let arr = [value1, value2]

C). let arr = {value1, value2}

D). let arr = (value1, value2)

How do you access the value of a key in a JavaScript object?

A). object(key)

B). object.key

C). object[key]

D). Both b and c

Which of the following is a common example of a complex data type?

A). String

B). Integer

C). Array

D). Boolean

What is the primary use of a stack data structure?

A). First In, First Out (FIFO)

B). First In, Last Out (FILO)

C). Last In, First Out (LIFO)

D). Last In, Last Out (LILO)

In Python, how do you create a list?

A). list = {1, 2, 3}

B). list = (1, 2, 3)

C). list = [1, 2, 3]

D). list = <1, 2, 3>

Which data type in Python is immutable?

A). List

B). Dictionary

C). Set

D). Tuple

How do you parse a JSON string in JavaScript?

A). JSON.convert()

B). JSON.toObject()

C). JSON.parse()

D). JSON.stringify()

Which method removes the last element from an array in JavaScript?

A). remove()

B). pop()

C). delete()

D). slice()

Which function is used to add an element to the end of an array in JavaScript?

A). push()

B). append()

C). insert()

D). add()

What is the purpose of a JSON object?

A). To store a single value

B). To define a variable

C). To represent data as a string

D). To store data in a structured, key-value pair format