Changes for page WebObjects with Scala
Last modified by Ravi Mendis on 2011/05/10 02:10
From version 469.1
edited by Ravi Mendis
on 2010/12/24 00:43
on 2010/12/24 00:43
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To version 468.1
edited by Ravi Mendis
on 2010/12/24 00:39
on 2010/12/24 00:39
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... ... @@ -44,7 +44,7 @@ 44 44 Scala doesn't have static variables or methods. Instead Scala employs the [[Singleton Pattern>>http://en.wikipedia.org/wiki/Singleton_pattern]] which is built into the language and is **thread-safe**: a class can have a //Companion Object// that will allow you to achieve something equivalent to static variables - but better. 45 45 46 46 You don't have to worry about synchronizing access to shared mutable fields in a concurrent application. 47 - (This is not however truewhenforexample youhavea##val##declaredas a##NSMutableArray##.You willstill have to synchronizewhenadding to or removing fromthis mutable field).47 +This is not however true for mutable ##val## e.g: ##NSMutableArray##, ##scala.collection.mutable.ListBuffer## which you will have to synchronize the adding to or removing from. 48 48 49 49 The following is an example of the use of a //Companion Object// for Talent in Scala instead of Talent static fields in Java. 50 50