task 3

src/ch/hevs/isc/slopify_v2/DataBase.scala

@@ -8,5 +8,14 @@ class DataBase extends Serializable {
   def containsArtist(artist: Artist): Boolean = _artists.contains(artist)
   def getArtists(): Array[Artist] = _artists.toArray
 
+  def getArtistByName(name: String): Option[Artist] = {
+    for (artist: Artist <- _artists) {
+      if (artist.name == name) {
+        return Some(artist)
+      }
+    }
+    return None
+  }
+
   override def toString: String = s"<Database: ${_artists.length} artist(s)>"
 }