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Changes for page WebObjects with Scala

Last modified by Ravi Mendis on 2011/05/10 02:10
From version 23.1
edited by Ravi Mendis
on 2009/09/15 20:26
Change comment: There is no comment for this version
To version 25.1
edited by Ravi Mendis
on 2009/09/15 20:38
Change comment: There is no comment for this version

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3 3  Scala is a modern language not unlike Groovy.
4 4  It is said to be more powerful (and faster) than Groovy or Rails which has been the reason for its adoption at sites like Twitter.
5 5  
6 -|= |= Objective-C |= Java |= Scala
7 -|= Mutable/Immuable Datatypes |Collections (e.g: //NSArray/NSMutableArray//) | No | //All datatypes//
8 -|= Closures | (//extensions//) | No | //Built-in//
9 -|= Static variables | Yes | Yes | No
10 -|= Static methods/functions | Yes | Yes | No
11 -|= Concurrency | Grand Central Dispatch (//extensions//) | //Threads// | Actors
6 +Many of its features and paradigms favor multi-threaded and concurrent development:
12 12  
8 +|= |= Objective-C |= Java |= Scala
9 +|= Mutable/Immuable Datatypes |Collections (e.g: //NSArray/NSMutableArray//) | No | //All datatypes//
10 +|= Closures | (//extensions//) | No | //Built-in//
11 +|= Static variables | Yes | Yes | No
12 +|= Static methods/functions | Yes | Yes | No
13 +|= Concurrency | Grand Central Dispatch (//extensions//) | //Threads// | Actors
14 +
15 +Other notable features include:
16 +
17 +|= |= Objective-C |= Java |= Scala
18 +|= Parametered methods | Yes (e.g: //addObject: to:_) //| No | Yes (e.g: //add(object= ,to=)//
19 +|= Class composition | Categories | Interfaces | Traits
20 +
13 13  === Why Use Scala? ===
14 14  
15 15  With Web 2.0, building concurrent WebObjects applications is a must.