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Changes for page WebObjects with Scala

Last modified by Ravi Mendis on 2011/05/10 02:10
From version 394.1
edited by Ravi Mendis
on 2010/01/17 22:10
Change comment: There is no comment for this version
To version 397.1
edited by Ravi Mendis
on 2010/01/17 19:22
Change comment: There is no comment for this version

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3 3  Scala is a language for concurrent computing.
4 4  In the day and age of multi-core processors, concurrent computing can't be ignored.
5 5  
6 -Many of Scala's features have been designed with concurrency in mind.
6 +So many of Scala's features have been designed with concurrency in mind.
7 7  Some of these may not be unfamiliar to Objective-C or WebObjects developers.
8 8  
9 9  Here's a quick summary:
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26 26  
27 27  === Why Use Scala? ===
28 28  
29 -Scala is inherently thread-safe.
30 -It has concurrency that is effectively built-in to the language.
29 +Developing and maintaining a concurrent or multi-threaded WebObjects application can be challenging.
31 31  
32 -So for WebObjects developers, Scala offers itself as a powerful, safe and easy-to-use solution for concurrent applications. (In other words, Scala Actors can be used for problems that would have normally required threads).
31 +The lack of static variables means that Scala is inherently thread-safe.
32 +It has concurrency that is effectively built-in to the language in the form of Actors.
33 33  
34 +So for WebObjects developers, Scala offers itself as a powerful, safe and easy-to-use solution for concurrent applications.
35 +(In other words, Scala can be used for problems that would normally have required threads).
36 +
34 34  === Can WebObjects be Programmed In Scala? ===
35 35  
36 36  Yes. It is very simple.
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117 117  ==== Simplified Exception Handling ====
118 118  
119 119  Scala doesn't force you to catch exceptions unlike in Java.
120 -In addition, the syntax employs Scala's very powerful **pattern matching** to handle exceptions.
123 +In addition, the syntax employs Scala's very powerful pattern matching to handle different exceptions.
121 121  
122 122  In Java:
123 123