#scala collections

[knolspeak]

Are you using Scala Collection efficiently?

Are you using Scala Collection efficiently?

In this blog, We will be going to explore how we can use scala collections efficiently .

Though, we are taking care of immutability but still something more can be done to make your code more readable and faster.

Creating empty collections explicitly:

List[T]()   //before

List.empty[T]  //after

There are some immutable collection classes provide singleton “empty” implementations, however not all…

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[knolspeak]

Scala Map

Scala Map is a collection of Key-value pair. A map cannot have duplicate keys but different keys can have same values i.e keys are unique whereas values can be duplicate.

Maps in Scala are not language syntax. They are library abstractions that you can extend and adapt.

Scala provides mutable and immutable alternatives for maps. Class hierarchy for scala maps is shown below:

  Image is taken…

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