Re: Java? Ja no va., or is Java good ?

Holger Grahn ([email protected])
Wed, 6 Dec 1995 22:55:49 +01:0


> That's not my experience. As of six hours ago, the "Hello World" app did not
> run with Netscape 2.0b3. I tried both the version on the tutorial page at
> sunsite, and on the tutorial page at java.sun.com

Has anybody done a detailed performance/memory/intergration
comparisions of difserent interpreted languags like perl, java, tcl,
phyton, Meme, xlisp ?

The licensing page at java.com say a license is more than 100.000 $.

Interpreted languages are very old (see MDODS command.com + autoexec.bat or Basic/lisp interpreters
in all major cad programs.)

Once the hype on a "batch file" loaded accross the network is over
you will probably find out :
- you want to have a good debugger,
- you want to be able to have access to matrix / geometry /
animation / ... functions, which you have to write in the script
language or you want to interface from C++.
- that the interpreter language is to slow or has some important
limitations.

So I would like to ask for a classification on scripting languages
suitable for VRML.

Main Categories:

- speed
- stability
- parameter passing from/to C/C++
for the cases of single values( e.g. SFFloat) / arrays
(MFVec3f), Objects/structs by value/by pointer (eg. IndexedFaceSet)

- memory requirements
- memory managment (e.g. array/list managment garbage collection, esserencing
counting, dynamic loading of modules)

- ease of integration in a C/C++ application

- automatic stub creator for creating Interpreter/C++ interface
function given a hsader file ?

- alesady available packages for the languages eg. socket /
complex math classes

- development environment (debugger , function / module / class
managment)

- licensing / portabilty / openess versus esstricted access..

Are there any experts here having done such tssts ?

Holger



###################################################
Holger Grahn
[email protected] http://www.snafu.de/~hg


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