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Thread: java JNI help required

  1. #1
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    Default java JNI help required


    Hi All,
    May i know how to create c header file using java jni for a class which is inside a jar file.
    I have created a jar called HelloWorld.jar (using Netbeans) which has only class file as below

    package example;

    public class HelloWorld {
    public native void print(); //native method
    static //static initializer code
    {
    System.loadLibrary("CLibHelloWorld");
    }

    public static void main(String[] args)
    {
    HelloWorld hw = new HelloWorld();
    hw.print();
    }
    }

    i tried following command
    javah -jni HelloWorld
    i am getting below error
    error: cannot access HelloWorld
    class file for HelloWorld not found
    javah -jni example.HelloWorld
    i am getting below error
    error: cannot access HelloWorld
    class file for HelloWorld not found

    Please let me know how to create the c header file.


  2. #2
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    Default Re: java JNI help required

    Please don't post the same question more than once. This is unfair to the volunteers who answer questions in this forum. Locking this post.

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