Wiki update

In support of my own sanity, I added a bit at the end of 
<http://wiki.erights.org/wiki/Walnut/Ordinary_Programming/Interfacing_to_Java#Speaking_to_Java_objects_with_superclass.2Fsubclass_overloaded_methods> 
as follows:

Accessing functions in the java.lang.Math class are a 
particularly interesting case. Some of these functions are 
overloaded on float, double and perhaps int and long. While E 
does not support float and has a different view of integers, it 
still sees these functions as overloaded. Accessing the correct 
function is simple,if verbose:

<pre>
def Math := <unsafe:java.lang.makeMath>
def abs(value) {
   return E.call(Math, "abs(double)", [value])
}

--------------------------------
Note that abs() is probably a bad example. Coding abs directly 
in E would give you an abs which works with any value that 
supports " value < 0" and "- value".

However the pattern should work for other overloaded functions.

Cheers - Bill

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