Multiparadigm Programming Languages and Scala

Question 1

what is polygot programming?

Answer 1

programming with different programming languages in a polygot environment

Question 2

what is the problem with polygot and how do we solve it?

Answer 2

different developers use different languages, making communication difficult.
we use a multiparadigm programming language to communicate in one language.

Question 3

What is Scala made up of?

Answer 3

imperative + functional + object oriented

Question 4

what are some of Scala’s properties?

Answer 4

• parallelism
• supports anonymous functions, high order functions, and pattern matching
• statically typed
• supports generic classes and polymorphic methods
• extensible
• compatible with Java

Question 5

how does Scala implement Object Oriented Programming

Answer 5

every value is an object

Question 6

What are classes in Scala?

Answer 6

types and behaviours

Question 7

what are the benefits of Scala over Haskell?

Answer 7

> shorter code
fewer errors
more flexibility

Question 8

Describe the Scala object system

Answer 8

> class based
> single inheritance

Question 9

Describe Scala functions

Answer 9

> 1st class
can be partially applied
can be higher order