Home/ Questions/The best way to fix the class names are only accepted if annotation processing is explicitly requested error
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Ambrose Anderson
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Asked: 2022-05-18T21:13:01+00:00 In:

The best way to fix the class names are only accepted if annotation processing is explicitly requested error

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I am working on java, but I found the following warning message:

error: Class names, 'EnumDevices', are only accepted if annotation 
 processing is explicitly requested
 1 error

Is there any way to stabilize the issue “class names are only accepted if annotation processing is explicitly requested”? I read a lot of topics about this, but all of them were trying to install anything. Is this the correct way, or any recommendation for me? Please find the beginning command below:

import jcuda.CUDA; 
 import jcuda.driver.CUdevprop; 
 import jcuda.driver.types.CUdevice;
 
 public class EnumDevices {
 
  public static void main(String args[]) {
  CUDA cuda = new CUDA(true); 
  int count = cuda.getDeviceCount();
 
  System.out.println("Total number of devices: " + count);
 
  for (int i = 0; i < count; i++) {
 
  CUdevice dev = cuda.getDevice(i);
  String name = cuda.getDeviceName(dev);
  System.out.println("Name: " + name);
  int version[] = cuda.getDeviceComputeCapability(dev);
 
  System.out.println("Version: " + 
  String.format("%d.%d", version[0], version[1]));
  CUdevprop prop = cuda.getDeviceProperties(dev);
  System.out.println("Clock rate: " + prop.clockRate + " MHz");
  System.out.println("Threads per block: " + prop.maxThreadsPerBlock);
  }
  }
 }
javac -cp /home/manish.yadav/Desktop/JCuda-All-0.3.2-bin-linux-x86_64 EnumDevices
class names
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2 Answers

  1. Best Answer
    Expert

    The cause: This error happens because you compile a java program without the .java extension.

    Solution: You can easily fix this problem by adding .java to the end of the file name and it would work.

    • 0

  2. This was also a puzzle to me. I had included the.Java extension, but then I saw the capital J.

    This will also lead to an “annotation processing error” 

    javac myclass.Java

    It should instead be: 

    javac myclass.java
    • 7

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