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I've written a program that does some calculations to display a galaxy.I want to run it within jdk command prompt but i get this error.Compiling the program with aparapi works fine.When i try to run it,i get this: enter image description here

Btw after i compile it I get many files which are these:

enter image description here

As u can see,the api library is in a different folder.

The commands I write are those two:

1)javac -g -cp ..\dist_windows_x86_64\aparapi.jar;. GPUGalaxySim.java

2)java -cp ..\dist_windows_x86_64\aparapi.jar;. -Djava.library.path=..\dist_windows_x86_64 GPUGalaxySim

Of course the commands are written after i go to the folder that contains the files u can see in the picture,called dist_x86_64.

Please help

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Tasos Barlas
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  • I guess the class is located in a dedicated package (and thus, it should also be contained in a folder that has the same name as the package). For a simple test, you may try removing the line `package gpugalaxysim;` from the Java file. – Marco13 Mar 26 '16 at 01:42
  • Deleting the package name didnt work. – Tasos Barlas Mar 26 '16 at 19:11
  • The error message in the first image seems to be a different one than before (before it said something about a wrong class name..!?). Do you have an OpenCL implementation? That is, is the `OpenCL.dll` in your `PATH`? – Marco13 Mar 26 '16 at 21:17
  • I dont have any opencl.dll – Tasos Barlas Mar 26 '16 at 21:42
  • The link for the aparapi library is this https://github.com/aparapi/aparapi/releases/download/1.0.0-SNAPSHOT/dist_windows_x86_64.zip – Tasos Barlas Mar 26 '16 at 21:49
  • Do you have an NVIDIA or an AMD card? Did you install a recent driver? Does your `C:\windows\system32` directory contain an `OpenCL.dll`? – Marco13 Mar 26 '16 at 22:56

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