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Contents

## Hints
For simplicity and readability: Consider using the Scala collection functions instead of Java's `String` methods. Remember that in Scala a `String` is implicitly also a `Seq[Char]`, so you can call them as easily as the `String` methods.

Some examples:
- `filter` instead of `replaceAll`
- `take`, `takeRight`, `drop`, `head`, `tail` instead of `substring`

Another idea worth exploring might be to change the `String` into a `List[Char]`
and then use [pattern matching](http://alvinalexander.com/scala/how-to-use-lists-nil-cons-scala-match-case-expressions) with the `::` operator.

Version data entries

368 entries across 368 versions & 1 rubygems

Version Path
trackler-2.2.1.180 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.179 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.178 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.177 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.176 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.175 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.174 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.173 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.172 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.171 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.170 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.169 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.167 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.166 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.165 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.164 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.163 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.162 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.161 tracks/scala/exercises/phone-number/.meta/hints.md
trackler-2.2.1.160 tracks/scala/exercises/phone-number/.meta/hints.md