Scala Test 2

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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.

Correct! Wrong!

Explanation:
Currying is a technique or a process for modifying a function in Scala. This function converts several parameters into a single argument function. It is commonly used in a variety of functional languages.

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

Correct! Wrong!

Explanation:
Use sbt's interactive shell to run them in simultanetaneously. sbt is a Scala and Java project framework.

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

Correct! Wrong!

Explanation:
In Scala, implicit parameters are parameters that are supplied to a function with the implicit keyword, which signifies that the values are taken from the context in which the function is called. To put it another way, if no value or parameter is supplied to a method or function, the compiler will look for an implicit value and pass it as a parameter.

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

Correct! Wrong!

Explanation:
A Scala Set is a collection of elements of the same type that are pairwise distinct. In other terms, a Set is a collection of components that do not have any duplicates. Sets are divided into two types: immutable and changeable.

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

Correct! Wrong!

Explanation:
Case classes in Scala are simply normal classes that are immutable by default and decomposable by pattern matching. It compares instances structurally using the equal method. To create an object, it does not utilize the new keyword.

Scala's Java compatibility makes it ideal for:

Correct! Wrong!

Explanation:
For using highly scalable Android app development software services, Android development with Scala is a viable solution.

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

Correct! Wrong!

Explanation:
Null, null, Nil, Nothing, None, and Unit are all examples of empty values in Scala.

An immutable collection of type collection.Seq.

Correct! Wrong!

Explanation:
A Seq cannot be edited, appended to, rearranged, or otherwise modified once it has been generated. Any mutative method on a Seq, on the other hand, will return a new Seq.

What is the programming paradigm of Scala?

Correct! Wrong!

Explanation:
Scala is a multi-paradigm programming language that is current. It's a hybrid of functional and object-oriented programming. It merges them into a single high-level, succinct language.

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