Scala Test 2

Question 1

We can turn a function with numerous arguments into a chain of functions using the technique/construct below. There is just one argument in each of these.

Accepted Answer

Currying

Answer

Trait mixins

Answer

Traits

Answer

Extractors

Question 2

sbt is an open-source Scala and Java build tool. Is it possible to run jobs in parallel?

Accepted Answer

Yes

Answer

No

Question 3

When calling a method, we don't need to give these parameters:

Accepted Answer

Implicit parameters

Answer

Command-line arguments

Answer

Default parameters

Answer

Named arguments

Question 4

Choose the Scala construct that holds pairwise distinct components of the same type from the options below.

Accepted Answer

Sets

Answer

Maps

Answer

Forums

Answer

Groups

Question 5

What types of data should you use a case class for?

Accepted Answer

Immutable data

Answer

Both  Immutable data and Mutable data

Answer

Mutable data

Answer

None of the above

Question 6

Scala's Java compatibility makes it ideal for:

Accepted Answer

Android Development

Answer

Google Development

Answer

Microsoft Development

Answer

Apple Development

Question 7

For Nil, Null, None, and Nothing, choose the appropriate statements.

Accepted Answer

Nothing is the bottom type of the entire type system and None is the value of an Option with no value in it

Answer

Nothing is the bottom type of the entire type system

Answer

None is the value of an Option with no value in it

Answer

None of the above

Question 8

An immutable collection of type collection.Seq.

Accepted Answer

True

Answer

False

Question 9

What is the programming paradigm of Scala?

Accepted Answer

All of the above

Answer

Functional

Answer

Object-Oriented

Answer

Statically-Typed