Re: Java examples

[Murat Yildizoglu]

I also think that if there was an introductory chapter on Java in the 
refbook or the better, the user book, this would be more than useful 
for the beginners (like me). Yes, I have written some time ago that I 
have opted at the end for ObjC (because of this problem) but I have 
difficulties to turn my back to java...

> >>>>> "CS" == Charles Staelin <address@hidden> writes:
> 
> CS> The problem is not the OOP stuff,
> CS> but rather what needs to be in the include statements and how CS>
> particular methods in the various classes are properly referred to.
> 
> You need to import each class or interface that you want to use, or
> use a wildcard expression that does the same.
> 
> At
> http://www.santafe.edu/projects/swarm/swarmdocs/refbook-java/index.htm
> l, under "All Classes" are all the interfaces and classes.  When you
> click on one of these, the documentation for that feature is shown on
> the right.  Note that the Java package is listed in small letters
> above the interface/class name.  It is the combination of the package
> and class/interface name that you use as the argument to import.
> 
> Interfaces are the preferred data type for variables and argument
> types.  Interfaces either have no suffix, or a "C" or "S" suffix.  The
> common `using phase' methods are named by interfaces without a suffix.
> The methods you use when you are describing an object to instantiate
> it are in the interface with the "C" suffix (the `creating phase').
> The "S", `setting phase' methods are usable in either using or
> creating phase.
> 
> The actual implementation classes have the suffix "Impl".  Whenever
> you want to instantiate an object, you'll use one of these as an
> argument to "new", and most of the time it will be with a class in the
> using phase, not the creating phase.  (The reason for this is that
> most using-phase implementation classes have `common usages' of just a
> few arguments, that take care to run the creating phase, apply the
> arguments, and then finish it in one step.)
> 
> Typical code for creating an object and assigning to a variable is:
> 
>   Something obj = new SomethingImpl (aZone);
> 
> 
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_________________________________________

Murat Yildizoglu                  
BETA-Theme
(UMR 7522 - CNRS)
PEGE
Universite Louis Pasteur    
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   e-mail. address@hidden
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