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Changes for page WebObjects with Scala

Last modified by Ravi Mendis on 2011/05/10 02:10
From version 415.1
edited by Ravi Mendis
on 2010/01/14 22:54
Change comment: There is no comment for this version
To version 414.1
edited by Ravi Mendis
on 2010/01/14 23:00
Change comment: There is no comment for this version

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1 1  === What is Scala? ===
2 2  
3 3  Scala is a modern language not unlike Groovy.
4 -It is said to be more powerful and faster than Groovy or Rub.
5 -This has been the reason for its adoption at sites like Twitter.
4 +It is said to be more powerful and faster than Groovy or Ruby.
5 +This's been the reason for its adoption at sites like Twitter.
6 6  
7 7  Many of its features and paradigms favor multi-threading and concurrency.
8 -It could be said that Scala was designed from the ground up for concurrency.
8 +It could be said that Scala was designed from the ground up with concurrency in mind.
9 9  
10 -Some of these features may not be unfamiliar to Objective-C and WebObjects developers. Here's a summary:
10 +Some of its features may not be unfamiliar to Objective-C or WebObjects developers.
11 +Here's a quick summary:
11 11  
12 12  |= |= Objective-C |= Java |= Scala
13 13  |= Mutable/Immuable Datatypes | Collections //e.g: NSArray/NSMutableArray// | No | Yes
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30 30  With Web 2.0, building concurrent WebObjects applications is a must.
31 31  Developing and maintaining a concurrent or multi-threaded WebObjects application can be challenging.
32 32  
33 -Scala offers concurrency that is (effectively) built-in to the language and is inherently thread-safe.
34 -In other words, developing Ajax (i.e asynchronous communication) with WO will require concurrent request handling and thread-safe code, for which Scala is a better choice than Java.
34 +The lack of static variables means that Scala is inherently thread-safe.
35 +It has concurrency that is effectively built-in to the language in the form of Actors.
35 35  
36 -In addition Scala offers itself as a solution for tasks that typically would have involved threads in a WebObjects application
37 +So for WebObjects developers, Scala offers itself as a powerful, safe and easy-to-use solution for concurrent applications.
37 37  
38 38  === Can WebObjects be Programmed In Scala? ===
39 39